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/*
* Copyright (C) 2013-2023 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 "DFGJITFinalizer.h"
#if ENABLE(DFG_JIT)
#include "CodeBlock.h"
#include "CodeBlockWithJITType.h"
#include "DFGPlan.h"
#include "HeapInlines.h"
#include "ProfilerDatabase.h"
#include <wtf/TZoneMallocInlines.h>
namespace JSC { namespace DFG {
WTF_MAKE_TZONE_ALLOCATED_IMPL(JITFinalizer);
JITFinalizer::JITFinalizer(Plan& plan, Ref<DFG::JITCode>&& jitCode, CodePtr<JSEntryPtrTag> withArityCheck)
: Finalizer(plan)
, m_jitCode(WTFMove(jitCode))
, m_withArityCheck(withArityCheck)
{
}
JITFinalizer::~JITFinalizer() = default;
size_t JITFinalizer::codeSize()
{
return m_jitCode->size();
}
bool JITFinalizer::finalize()
{
VM& vm = *m_plan.vm();
WTF::crossModifyingCodeFence();
m_plan.runMainThreadFinalizationTasks();
CodeBlock* codeBlock = m_plan.codeBlock();
codeBlock->setJITCode(m_jitCode.copyRef());
auto data = m_plan.tryFinalizeJITData(m_jitCode.get());
if (UNLIKELY(!data))
return false;
codeBlock->setDFGJITData(WTFMove(data));
#if ENABLE(FTL_JIT)
m_jitCode->optimizeAfterWarmUp(codeBlock);
#endif // ENABLE(FTL_JIT)
if (UNLIKELY(m_plan.compilation()))
vm.m_perBytecodeProfiler->addCompilation(codeBlock, *m_plan.compilation());
if (!m_plan.willTryToTierUp())
codeBlock->baselineVersion()->m_didFailFTLCompilation = true;
// The codeBlock is now responsible for keeping many things alive (e.g. frozen values)
// that were previously kept alive by the plan.
vm.writeBarrier(codeBlock);
return true;
}
} } // namespace JSC::DFG
#endif // ENABLE(DFG_JIT)
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