mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
/*
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* Copyright (C) 2013-2016 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(FTL_JIT)
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#include "B3Procedure.h"
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#include "DFGCommon.h"
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#include "DFGGraph.h"
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#include "FTLAbbreviatedTypes.h"
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#include "FTLGeneratedFunction.h"
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#include "FTLJITCode.h"
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#include "FTLJITFinalizer.h"
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#include <wtf/Box.h>
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#include <wtf/Noncopyable.h>
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namespace JSC {
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namespace B3 {
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class PatchpointValue;
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class StackSlot;
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} // namespace B3
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namespace FTL {
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class PatchpointExceptionHandle;
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inline bool verboseCompilationEnabled()
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{
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return DFG::verboseCompilationEnabled(DFG::FTLMode);
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}
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inline bool shouldDumpDisassembly()
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{
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return DFG::shouldDumpDisassembly(DFG::FTLMode);
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}
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class State {
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WTF_MAKE_NONCOPYABLE(State);
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public:
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State(DFG::Graph& graph);
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~State();
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VM& vm() { return graph.m_vm; }
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// None of these things is owned by State. It is the responsibility of
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// FTL phases to properly manage the lifecycle of the module and function.
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DFG::Graph& graph;
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std::unique_ptr<B3::Procedure> proc;
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bool allocationFailed { false }; // Throw out the compilation once B3 returns.
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RefPtr<JITCode> jitCode;
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GeneratedFunction generatedFunction;
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JITFinalizer* finalizer;
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// Top-level exception handler. Jump here if you know that you have to genericUnwind() and there
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// are no applicable catch blocks anywhere in the Graph.
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RefPtr<PatchpointExceptionHandle> defaultExceptionHandle;
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Box<CCallHelpers::Label> exceptionHandler { Box<CCallHelpers::Label>::create() };
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B3::StackSlot* capturedValue { nullptr };
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};
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} } // namespace JSC::FTL
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#endif // ENABLE(FTL_JIT)
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