1/* 2 * Copyright (C) 2011 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 LLIntData_h 27#define LLIntData_h 28 29#include "JSCJSValue.h" 30#include "Opcode.h" 31 32namespace JSC { 33 34class VM; 35struct Instruction; 36 37#if !ENABLE(JIT) 38typedef OpcodeID LLIntCode; 39#else 40typedef void (*LLIntCode)(); 41#endif 42 43namespace LLInt { 44 45class Data { 46public: 47 static void performAssertions(VM&); 48 49private: 50 static Instruction* s_exceptionInstructions; 51 static Opcode s_opcodeMap[numOpcodeIDs]; 52 53 friend void initialize(); 54 55 friend Instruction* exceptionInstructions(); 56 friend Opcode* opcodeMap(); 57 friend Opcode getOpcode(OpcodeID); 58 friend void* getCodePtr(OpcodeID); 59}; 60 61void initialize(); 62 63inline Instruction* exceptionInstructions() 64{ 65 return Data::s_exceptionInstructions; 66} 67 68inline Opcode* opcodeMap() 69{ 70 return Data::s_opcodeMap; 71} 72 73inline Opcode getOpcode(OpcodeID id) 74{ 75#if ENABLE(COMPUTED_GOTO_OPCODES) 76 return Data::s_opcodeMap[id]; 77#else 78 return static_cast<Opcode>(id); 79#endif 80} 81 82ALWAYS_INLINE void* getCodePtr(OpcodeID id) 83{ 84 return reinterpret_cast<void*>(getOpcode(id)); 85} 86 87#if ENABLE(JIT) 88ALWAYS_INLINE LLIntCode getCodeFunctionPtr(OpcodeID codeId) 89{ 90 return reinterpret_cast<LLIntCode>(getCodePtr(codeId)); 91} 92#endif 93 94ALWAYS_INLINE void* getCodePtr(JSC::EncodedJSValue glueHelper()) 95{ 96 return bitwise_cast<void*>(glueHelper); 97} 98 99 100} } // namespace JSC::LLInt 101 102#endif // LLIntData_h 103 104