ftl/FTLJITFinalizer.h

   1 /*
   2  * Copyright (C) 2013 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 #ifndef FTLJITFinalizer_h
  27 #define FTLJITFinalizer_h
  28
  29 #if ENABLE(FTL_JIT)
  30
  31 #include "DFGFinalizer.h"
  32 #include "FTLGeneratedFunction.h"
  33 #include "FTLJITCode.h"
  34 #include "FTLOSRExitCompilationInfo.h"
  35 #include "FTLSlowPathCall.h"
  36 #include "LLVMAPI.h"
  37 #include "LinkBuffer.h"
  38 #include "MacroAssembler.h"
  39
  40 namespace JSC { namespace FTL {
  41
  42 class OutOfLineCodeInfo {
  43 public:
  44     OutOfLineCodeInfo(std::unique_ptr<LinkBuffer> linkBuffer, const char* codeDescription)
  45         : m_linkBuffer(WTF::move(linkBuffer))
  46         , m_codeDescription(codeDescription)
  47     {
  48     }
  49
  50     std::unique_ptr<LinkBuffer> m_linkBuffer;
  51     const char* m_codeDescription;
  52 };
  53
  54 class JITFinalizer : public DFG::Finalizer {
  55 public:
  56     JITFinalizer(DFG::Plan&);
  57     virtual ~JITFinalizer();
  58
  59     size_t codeSize() override;
  60     bool finalize() override;
  61     bool finalizeFunction() override;
  62
  63     std::unique_ptr<LinkBuffer> exitThunksLinkBuffer;
  64     std::unique_ptr<LinkBuffer> entrypointLinkBuffer;
  65     std::unique_ptr<LinkBuffer> sideCodeLinkBuffer;
  66     std::unique_ptr<LinkBuffer> handleExceptionsLinkBuffer;
  67     Vector<OutOfLineCodeInfo> outOfLineCodeInfos;
  68     Vector<SlowPathCall> slowPathCalls; // Calls inside the side code.
  69     Vector<OSRExitCompilationInfo> osrExit;
  70     GeneratedFunction function;
  71     RefPtr<JITCode> jitCode;
  72 };
  73
  74 } } // namespace JSC::FTL
  75
  76 #endif // ENABLE(FTL_JIT)
  77
  78 #endif // FTLJITFinalizer_h
  79