mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-08 18:01:37 +00:00
97 lines
4.0 KiB
C++
97 lines
4.0 KiB
C++
/*
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* Copyright (C) 2009-2019 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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#include "config.h"
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#include "NativeExecutable.h"
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#include "ExecutableBaseInlines.h"
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#include "JSCInlines.h"
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namespace JSC {
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const ClassInfo NativeExecutable::s_info = { "NativeExecutable", &ExecutableBase::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(NativeExecutable) };
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NativeExecutable* NativeExecutable::create(VM& vm, Ref<JITCode>&& callThunk, TaggedNativeFunction function, Ref<JITCode>&& constructThunk, TaggedNativeFunction constructor, const String& name)
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{
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NativeExecutable* executable;
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executable = new (NotNull, allocateCell<NativeExecutable>(vm.heap)) NativeExecutable(vm, function, constructor);
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executable->finishCreation(vm, WTFMove(callThunk), WTFMove(constructThunk), name);
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return executable;
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}
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void NativeExecutable::destroy(JSCell* cell)
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{
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static_cast<NativeExecutable*>(cell)->NativeExecutable::~NativeExecutable();
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}
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Structure* NativeExecutable::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto)
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{
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return Structure::create(vm, globalObject, proto, TypeInfo(NativeExecutableType, StructureFlags), info());
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}
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void NativeExecutable::finishCreation(VM& vm, Ref<JITCode>&& callThunk, Ref<JITCode>&& constructThunk, const String& name)
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{
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Base::finishCreation(vm);
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m_jitCodeForCall = WTFMove(callThunk);
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m_jitCodeForConstruct = WTFMove(constructThunk);
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m_jitCodeForCallWithArityCheck = m_jitCodeForCall->addressForCall(MustCheckArity);
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m_jitCodeForConstructWithArityCheck = m_jitCodeForConstruct->addressForCall(MustCheckArity);
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m_name = name;
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assertIsTaggedWith<JSEntryPtrTag>(m_jitCodeForCall->addressForCall(ArityCheckNotRequired).executableAddress());
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assertIsTaggedWith<JSEntryPtrTag>(m_jitCodeForConstruct->addressForCall(ArityCheckNotRequired).executableAddress());
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assertIsTaggedWith<JSEntryPtrTag>(m_jitCodeForCallWithArityCheck.executableAddress());
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assertIsTaggedWith<JSEntryPtrTag>(m_jitCodeForConstructWithArityCheck.executableAddress());
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}
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NativeExecutable::NativeExecutable(VM& vm, TaggedNativeFunction function, TaggedNativeFunction constructor)
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: ExecutableBase(vm, vm.nativeExecutableStructure.get())
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, m_function(function)
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, m_constructor(constructor)
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{
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}
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const DOMJIT::Signature* NativeExecutable::signatureFor(CodeSpecializationKind kind) const
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{
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ASSERT(hasJITCodeFor(kind));
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return generatedJITCodeFor(kind)->signature();
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}
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Intrinsic NativeExecutable::intrinsic() const
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{
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return generatedJITCodeFor(CodeForCall)->intrinsic();
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}
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CodeBlockHash NativeExecutable::hashFor(CodeSpecializationKind kind) const
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{
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if (kind == CodeForCall)
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return CodeBlockHash(bitwise_cast<uintptr_t>(m_function));
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RELEASE_ASSERT(kind == CodeForConstruct);
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return CodeBlockHash(bitwise_cast<uintptr_t>(m_constructor));
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}
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} // namespace JSC
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