mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-09 02:10:43 +00:00
103 lines
3.3 KiB
C++
103 lines
3.3 KiB
C++
/*
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* Copyright (C) 2013-2020 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 "FTLJITFinalizer.h"
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#if ENABLE(FTL_JIT)
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#include "CodeBlockWithJITType.h"
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#include "DFGPlan.h"
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#include "FTLState.h"
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#include "ProfilerDatabase.h"
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namespace JSC { namespace FTL {
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JITFinalizer::JITFinalizer(DFG::Plan& plan)
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: Finalizer(plan)
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{
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}
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JITFinalizer::~JITFinalizer()
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{
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}
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size_t JITFinalizer::codeSize()
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{
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size_t result = 0;
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if (b3CodeLinkBuffer)
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result += b3CodeLinkBuffer->size();
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if (entrypointLinkBuffer)
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result += entrypointLinkBuffer->size();
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return result;
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}
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bool JITFinalizer::finalize()
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{
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return finalizeCommon();
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}
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bool JITFinalizer::finalizeFunction()
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{
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return finalizeCommon();
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}
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bool JITFinalizer::finalizeCommon()
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{
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CodeBlock* codeBlock = m_plan.codeBlock();
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bool dumpDisassembly = shouldDumpDisassembly() || Options::asyncDisassembly();
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MacroAssemblerCodeRef<JSEntryPtrTag> b3CodeRef =
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FINALIZE_CODE_IF(dumpDisassembly, *b3CodeLinkBuffer, JSEntryPtrTag,
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"FTL B3 code for %s", toCString(CodeBlockWithJITType(codeBlock, JITType::FTLJIT)).data());
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MacroAssemblerCodeRef<JSEntryPtrTag> arityCheckCodeRef = entrypointLinkBuffer
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? FINALIZE_CODE_IF(dumpDisassembly, *entrypointLinkBuffer, JSEntryPtrTag,
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"FTL entrypoint thunk for %s with B3 generated code at %p", toCString(CodeBlockWithJITType(codeBlock, JITType::FTLJIT)).data(), function)
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: MacroAssemblerCodeRef<JSEntryPtrTag>::createSelfManagedCodeRef(b3CodeRef.code());
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jitCode->initializeB3Code(b3CodeRef);
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jitCode->initializeArityCheckEntrypoint(arityCheckCodeRef);
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codeBlock->setJITCode(*jitCode);
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if (UNLIKELY(m_plan.compilation()))
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m_plan.vm()->m_perBytecodeProfiler->addCompilation(codeBlock, *m_plan.compilation());
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// The codeBlock is now responsible for keeping many things alive (e.g. frozen values)
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// that were previously kept alive by the plan.
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m_plan.vm()->heap.writeBarrier(codeBlock);
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return true;
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}
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} } // namespace JSC::FTL
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#endif // ENABLE(FTL_JIT)
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