| | 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 | |
| | 32 | namespace JSC { |
| | 33 | |
| | 34 | class VM; |
| | 35 | struct Instruction; |
| | 36 | |
| | 37 | #if !ENABLE(JIT) |
| | 38 | typedef OpcodeID LLIntCode; |
| | 39 | #else |
| | 40 | typedef void (*LLIntCode)(); |
| | 41 | #endif |
| | 42 | |
| | 43 | namespace LLInt { |
| | 44 | |
| | 45 | class Data { |
| | 46 | public: |
| | 47 | static void performAssertions(VM&); |
| | 48 | |
| | 49 | private: |
| | 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 | |
| | 61 | void initialize(); |
| | 62 | |
| | 63 | inline Instruction* exceptionInstructions() |
| | 64 | { |
| | 65 | return Data::s_exceptionInstructions; |
| | 66 | } |
| | 67 | |
| | 68 | inline Opcode* opcodeMap() |
| | 69 | { |
| | 70 | return Data::s_opcodeMap; |
| | 71 | } |
| | 72 | |
| | 73 | inline 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 | |
| | 82 | ALWAYS_INLINE void* getCodePtr(OpcodeID id) |
| | 83 | { |
| | 84 | return reinterpret_cast<void*>(getOpcode(id)); |
| | 85 | } |
| | 86 | |
| | 87 | #if ENABLE(JIT) |
| | 88 | ALWAYS_INLINE LLIntCode getCodeFunctionPtr(OpcodeID codeId) |
| | 89 | { |
| | 90 | return reinterpret_cast<LLIntCode>(getCodePtr(codeId)); |
| | 91 | } |
| | 92 | #endif |
| | 93 | |
| | 94 | ALWAYS_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 | |
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