/* * Copyright (C) 2013 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef FTLJITCode_h #define FTLJITCode_h #include #if ENABLE(FTL_JIT) #include "DFGCommonData.h" #include "FTLOSRExit.h" #include "FTLStackMaps.h" #include "JITCode.h" #include "LLVMAPI.h" #include namespace JSC { namespace FTL { typedef int64_t LSectionWord; // We refer to LLVM data sections using LSectionWord*, just to be clear about our intended alignment restrictions. class JITCode : public JSC::JITCode { public: JITCode(); ~JITCode(); CodePtr addressForCall(); void* executableAddressAtOffset(size_t offset); void* dataAddressAtOffset(size_t offset); unsigned offsetOf(void* pointerIntoCode); size_t size(); bool contains(void*); void initializeExitThunks(CodeRef); void addHandle(PassRefPtr); void addDataSection(RefCountedArray); void initializeCode(CodeRef entrypoint); const Vector>& handles() const { return m_handles; } const Vector>& dataSections() const { return m_dataSections; } CodePtr exitThunks(); JITCode* ftl(); DFG::CommonData* dfgCommon(); DFG::CommonData common; SegmentedVector osrExit; StackMaps stackmaps; private: Vector> m_dataSections; Vector> m_handles; CodeRef m_entrypoint; CodeRef m_exitThunks; }; } } // namespace JSC::FTL #endif // ENABLE(FLT_JIT) #endif // FTLJITCode_h