mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-30 07:30:47 +00:00
86 lines
3.0 KiB
C++
86 lines
3.0 KiB
C++
/*
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* Copyright (C) 2013-2018 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 "B3OpaqueByproducts.h"
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#include "DFGCommonData.h"
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#include "FTLLazySlowPath.h"
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#include "FTLOSRExit.h"
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#include "JITCode.h"
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namespace JSC {
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class TrackedReferences;
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namespace FTL {
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class JITCode : public JSC::JITCode {
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public:
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JITCode();
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~JITCode();
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CodePtr<JSEntryPtrTag> addressForCall(ArityCheckMode) override;
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void* executableAddressAtOffset(size_t offset) override;
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void* dataAddressAtOffset(size_t offset) override;
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unsigned offsetOf(void* pointerIntoCode) override;
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size_t size() override;
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bool contains(void*) override;
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void initializeB3Code(CodeRef<JSEntryPtrTag>);
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void initializeB3Byproducts(std::unique_ptr<B3::OpaqueByproducts>);
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void initializeAddressForCall(CodePtr<JSEntryPtrTag>);
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void initializeArityCheckEntrypoint(CodeRef<JSEntryPtrTag>);
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void validateReferences(const TrackedReferences&) override;
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RegisterSet liveRegistersToPreserveAtExceptionHandlingCallSite(CodeBlock*, CallSiteIndex) override;
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Optional<CodeOrigin> findPC(CodeBlock*, void* pc) override;
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CodeRef<JSEntryPtrTag> b3Code() const { return m_b3Code; }
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JITCode* ftl() override;
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DFG::CommonData* dfgCommon() override;
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static ptrdiff_t commonDataOffset() { return OBJECT_OFFSETOF(JITCode, common); }
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DFG::CommonData common;
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SegmentedVector<OSRExit, 8> osrExit;
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SegmentedVector<OSRExitDescriptor, 8> osrExitDescriptors;
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Vector<std::unique_ptr<LazySlowPath>> lazySlowPaths;
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private:
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CodePtr<JSEntryPtrTag> m_addressForCall;
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CodeRef<JSEntryPtrTag> m_b3Code;
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std::unique_ptr<B3::OpaqueByproducts> m_b3Byproducts;
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CodeRef<JSEntryPtrTag> m_arityCheckEntrypoint;
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};
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} } // namespace JSC::FTL
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#endif // ENABLE(FTL_JIT)
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