dfg/DFGJITFinalizer.cpp

   1 /*
   2  * Copyright (C) 2013, 2015 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #include "DFGJITFinalizer.h"
  28
  29 #if ENABLE(DFG_JIT)
  30
  31 #include "CodeBlock.h"
  32 #include "CodeBlockWithJITType.h"
  33 #include "DFGCommon.h"
  34 #include "DFGPlan.h"
  35 #include "JSCInlines.h"
  36 #include "ProfilerDatabase.h"
  37
  38 namespace JSC { namespace DFG {
  39
  40 JITFinalizer::JITFinalizer(Plan& plan, PassRefPtr<JITCode> jitCode, std::unique_ptr<LinkBuffer> linkBuffer, MacroAssemblerCodePtr withArityCheck)
  41     : Finalizer(plan)
  42     , m_jitCode(jitCode)
  43     , m_linkBuffer(WTF::move(linkBuffer))
  44     , m_withArityCheck(withArityCheck)
  45 {
  46 }
  47
  48 JITFinalizer::~JITFinalizer()
  49 {
  50 }
  51
  52 size_t JITFinalizer::codeSize()
  53 {
  54     return m_linkBuffer->size();
  55 }
  56
  57 bool JITFinalizer::finalize()
  58 {
  59     m_jitCode->initializeCodeRef(
  60         FINALIZE_DFG_CODE(*m_linkBuffer, ("DFG JIT code for %s", toCString(CodeBlockWithJITType(m_plan.codeBlock.get(), JITCode::DFGJIT)).data())),
  61         MacroAssemblerCodePtr());
  62
  63     m_plan.codeBlock->setJITCode(m_jitCode);
  64
  65     finalizeCommon();
  66
  67     return true;
  68 }
  69
  70 bool JITFinalizer::finalizeFunction()
  71 {
  72     RELEASE_ASSERT(!m_withArityCheck.isEmptyValue());
  73     m_jitCode->initializeCodeRef(
  74         FINALIZE_DFG_CODE(*m_linkBuffer, ("DFG JIT code for %s", toCString(CodeBlockWithJITType(m_plan.codeBlock.get(), JITCode::DFGJIT)).data())),
  75         m_withArityCheck);
  76     m_plan.codeBlock->setJITCode(m_jitCode);
  77
  78     finalizeCommon();
  79
  80     return true;
  81 }
  82
  83 void JITFinalizer::finalizeCommon()
  84 {
  85 #if ENABLE(FTL_JIT)
  86     m_jitCode->optimizeAfterWarmUp(m_plan.codeBlock.get());
  87 #endif // ENABLE(FTL_JIT)
  88
  89     if (m_plan.compilation)
  90         m_plan.vm.m_perBytecodeProfiler->addCompilation(m_plan.compilation);
  91
  92     if (!m_plan.willTryToTierUp)
  93         m_plan.codeBlock->baselineVersion()->m_didFailFTLCompilation = true;
  94 }
  95
  96 } } // namespace JSC::DFG
  97
  98 #endif // ENABLE(DFG_JIT)
  99