dfg/DFGOSRExitCompiler.h

   1 /*
   2  * Copyright (C) 2011, 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 #ifndef DFGOSRExitCompiler_h
  27 #define DFGOSRExitCompiler_h
  28
  29 #if ENABLE(DFG_JIT)
  30
  31 #include "AssemblyHelpers.h"
  32 #include "CCallHelpers.h"
  33 #include "DFGOSRExit.h"
  34 #include "DFGOperations.h"
  35
  36 namespace JSC {
  37
  38 class ExecState;
  39
  40 namespace DFG {
  41
  42 class OSRExitCompiler {
  43 public:
  44     OSRExitCompiler(CCallHelpers& jit)
  45         : m_jit(jit)
  46     {
  47     }
  48
  49     void compileExit(const OSRExit&, const Operands<ValueRecovery>&, SpeculationRecovery*);
  50
  51 private:
  52     void emitRestoreArguments(const Operands<ValueRecovery>&);
  53
  54     CCallHelpers& m_jit;
  55 };
  56
  57 extern "C" {
  58 void JIT_OPERATION compileOSRExit(ExecState*) WTF_INTERNAL;
  59 }
  60
  61 } } // namespace JSC::DFG
  62
  63 #endif // ENABLE(DFG_JIT)
  64
  65 #endif // DFGOSRExitCompiler_h