1/* 2 * Copyright (C) 2013, 2014 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 FTLState_h 27#define FTLState_h 28 29#if ENABLE(FTL_JIT) 30 31#include "DFGCommon.h" 32#include "DFGGraph.h" 33#include "FTLAbbreviations.h" 34#include "FTLGeneratedFunction.h" 35#include "FTLInlineCacheDescriptor.h" 36#include "FTLJITCode.h" 37#include "FTLJITFinalizer.h" 38#include "FTLJSCall.h" 39#include "FTLStackMaps.h" 40#include "FTLState.h" 41#include <wtf/Noncopyable.h> 42 43namespace JSC { namespace FTL { 44 45inline bool verboseCompilationEnabled() 46{ 47 return DFG::verboseCompilationEnabled(DFG::FTLMode); 48} 49 50inline bool shouldShowDisassembly() 51{ 52 return DFG::shouldShowDisassembly(DFG::FTLMode); 53} 54 55class State { 56 WTF_MAKE_NONCOPYABLE(State); 57 58public: 59 State(DFG::Graph& graph); 60 ~State(); 61 62 // None of these things is owned by State. It is the responsibility of 63 // FTL phases to properly manage the lifecycle of the module and function. 64 DFG::Graph& graph; 65 LContext context; 66 LModule module; 67 LValue function; 68 RefPtr<JITCode> jitCode; 69 GeneratedFunction generatedFunction; 70 JITFinalizer* finalizer; 71 unsigned handleStackOverflowExceptionStackmapID; 72 unsigned handleExceptionStackmapID; 73 unsigned capturedStackmapID; 74 SegmentedVector<GetByIdDescriptor> getByIds; 75 SegmentedVector<PutByIdDescriptor> putByIds; 76 Vector<JSCall> jsCalls; 77 Vector<CString> codeSectionNames; 78 Vector<CString> dataSectionNames; 79 void* compactUnwind; 80 size_t compactUnwindSize; 81 RefPtr<DataSection> stackmapsSection; 82 83 void dumpState(const char* when); 84}; 85 86} } // namespace JSC::FTL 87 88#endif // ENABLE(FTL_JIT) 89 90#endif // FTLState_h 91 92