runtime/ExecutionHarness.h

   1 /*
   2  * Copyright (C) 2012 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 ExecutionHarness_h
  27 #define ExecutionHarness_h
  28
  29 #include <wtf/Platform.h>
  30
  31 #if ENABLE(JIT)
  32
  33 #include "JITDriver.h"
  34 #include "LLIntEntrypoints.h"
  35
  36 namespace JSC {
  37
  38 template<typename CodeBlockType>
  39 inline bool prepareForExecution(JSGlobalData& globalData, OwnPtr<CodeBlockType>& codeBlock, JITCode& jitCode, JITCode::JITType jitType)
  40 {
  41 #if ENABLE(LLINT)
  42     if (JITCode::isBaselineCode(jitType)) {
  43         // Start off in the low level interpreter.
  44         LLInt::getEntrypoint(globalData, codeBlock.get(), jitCode);
  45         codeBlock->setJITCode(jitCode, MacroAssemblerCodePtr());
  46         return true;
  47     }
  48 #endif // ENABLE(LLINT)
  49     return jitCompileIfAppropriate(globalData, codeBlock, jitCode, jitType, JITCode::isBaselineCode(jitType) ? JITCompilationMustSucceed : JITCompilationCanFail);
  50 }
  51
  52 inline bool prepareFunctionForExecution(JSGlobalData& globalData, OwnPtr<FunctionCodeBlock>& codeBlock, JITCode& jitCode, MacroAssemblerCodePtr& jitCodeWithArityCheck, SharedSymbolTable*& symbolTable, JITCode::JITType jitType, CodeSpecializationKind kind)
  53 {
  54 #if ENABLE(LLINT)
  55     if (JITCode::isBaselineCode(jitType)) {
  56         // Start off in the low level interpreter.
  57         LLInt::getFunctionEntrypoint(globalData, kind, jitCode, jitCodeWithArityCheck);
  58         codeBlock->setJITCode(jitCode, jitCodeWithArityCheck);
  59         return true;
  60     }
  61 #else
  62     UNUSED_PARAM(kind);
  63 #endif // ENABLE(LLINT)
  64     return jitCompileFunctionIfAppropriate(globalData, codeBlock, jitCode, jitCodeWithArityCheck, symbolTable, jitType, JITCode::isBaselineCode(jitType) ? JITCompilationMustSucceed : JITCompilationCanFail);
  65 }
  66
  67 } // namespace JSC
  68
  69 #endif // ENABLE(JIT)
  70
  71 #endif // ExecutionHarness_h
  72