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Viewing changes to Source/JavaScriptCore/llint/LLIntEntrypoints.cpp

  • Committer: Package Import Robot
  • Author(s): Jonathan Riddell
  • Date: 2013-02-18 14:24:18 UTC
  • Revision ID: package-import@ubuntu.com-20130218142418-eon0jmjg3nj438uy
Tags: upstream-2.3
Import upstream version 2.3

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Source/JavaScriptCore/llint/LLIntEntrypoints.cpp
 
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/*
 
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 * Copyright (C) 2012 Apple Inc. All rights reserved.
 
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 *
 
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 * Redistribution and use in source and binary forms, with or without
 
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 * modification, are permitted provided that the following conditions
 
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 * are met:
 
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 * 1. Redistributions of source code must retain the above copyright
 
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 *    notice, this list of conditions and the following disclaimer.
 
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 * 2. Redistributions in binary form must reproduce the above copyright
 
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 *    notice, this list of conditions and the following disclaimer in the
 
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 *    documentation and/or other materials provided with the distribution.
 
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 *
 
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 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 
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 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 
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 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 
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 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 
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 */
 
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#include "config.h"
 
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#include "LLIntEntrypoints.h"
 
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#if ENABLE(LLINT)
 
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#include "JITCode.h"
 
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#include "JSGlobalData.h"
 
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#include "JSObject.h"
 
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#include "LLIntThunks.h"
 
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#include "LowLevelInterpreter.h"
 
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namespace JSC { namespace LLInt {
 
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void getFunctionEntrypoint(JSGlobalData& globalData, CodeSpecializationKind kind, JITCode& jitCode, MacroAssemblerCodePtr& arityCheck)
 
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{
 
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    if (!globalData.canUseJIT()) {
 
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        if (kind == CodeForCall) {
 
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            jitCode = JITCode(MacroAssemblerCodeRef::createLLIntCodeRef(llint_function_for_call_prologue), JITCode::InterpreterThunk);
 
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            arityCheck = MacroAssemblerCodePtr::createLLIntCodePtr(llint_function_for_call_arity_check);
 
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            return;
 
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        }
 
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        ASSERT(kind == CodeForConstruct);
 
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        jitCode = JITCode(MacroAssemblerCodeRef::createLLIntCodeRef(llint_function_for_construct_prologue), JITCode::InterpreterThunk);
 
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        arityCheck = MacroAssemblerCodePtr::createLLIntCodePtr(llint_function_for_construct_arity_check);
 
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        return;
 
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    }
 
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#if ENABLE(JIT)
 
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    if (kind == CodeForCall) {
 
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        jitCode = JITCode(globalData.getCTIStub(functionForCallEntryThunkGenerator), JITCode::InterpreterThunk);
 
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        arityCheck = globalData.getCTIStub(functionForCallArityCheckThunkGenerator).code();
 
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        return;
 
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    }
 
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    ASSERT(kind == CodeForConstruct);
 
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    jitCode = JITCode(globalData.getCTIStub(functionForConstructEntryThunkGenerator), JITCode::InterpreterThunk);
 
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    arityCheck = globalData.getCTIStub(functionForConstructArityCheckThunkGenerator).code();
 
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#endif // ENABLE(JIT)
 
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}
 
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void getEvalEntrypoint(JSGlobalData& globalData, JITCode& jitCode)
 
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{
 
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    if (!globalData.canUseJIT()) {
 
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        jitCode = JITCode(MacroAssemblerCodeRef::createLLIntCodeRef(llint_eval_prologue), JITCode::InterpreterThunk);
 
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        return;
 
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    }
 
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#if ENABLE(JIT)    
 
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    jitCode = JITCode(globalData.getCTIStub(evalEntryThunkGenerator), JITCode::InterpreterThunk);
 
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#endif
 
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}
 
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void getProgramEntrypoint(JSGlobalData& globalData, JITCode& jitCode)
 
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{
 
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    if (!globalData.canUseJIT()) {
 
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        jitCode = JITCode(MacroAssemblerCodeRef::createLLIntCodeRef(llint_program_prologue), JITCode::InterpreterThunk);
 
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        return;
 
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    }
 
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#if ENABLE(JIT)
 
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    jitCode = JITCode(globalData.getCTIStub(programEntryThunkGenerator), JITCode::InterpreterThunk);
 
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#endif
 
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}
 
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} } // namespace JSC::LLInt
 
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#endif // ENABLE(LLINT)