1 //===- Operator.h ---------------------------------------------------------===// 2 // 3 // The MCLinker Project 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 #ifndef MCLD_SCRIPT_OPERATOR_INTERFACE_H 10 #define MCLD_SCRIPT_OPERATOR_INTERFACE_H 11 12 #include <mcld/Script/ExprToken.h> 13 #include <llvm/Support/DataTypes.h> 14 15 namespace mcld 16 { 17 18 class Operand; 19 class IntOperand; 20 class Module; 21 class TargetLDBackend; 22 23 /** \class Operator 24 * \brief This class defines the interfaces to an operator token. 25 */ 26 27 class Operator : public ExprToken 28 { 29 public: 30 enum Arity { 31 NULLARY, 32 UNARY, 33 BINARY, 34 TERNARY 35 }; 36 37 enum Type { 38 /* arithmetic operator */ 39 UNARY_PLUS = 0, 40 UNARY_MINUS = 1, 41 LOGICAL_NOT = 2, 42 BITWISE_NOT = 3, 43 MUL = 4, 44 DIV = 5, 45 MOD = 6, 46 ADD = 7, 47 SUB = 8, 48 LSHIFT = 9, 49 RSHIFT = 10, 50 LT = 11, 51 LE = 12, 52 GT = 13, 53 GE = 14, 54 EQ = 15, 55 NE = 16, 56 BITWISE_AND = 17, 57 BITWISE_XOR = 18, 58 BITWISE_OR = 19, 59 LOGICAL_AND = 20, 60 LOGICAL_OR = 21, 61 TERNARY_IF = 22, 62 ASSIGN = 23, 63 ADD_ASSIGN = 24, 64 SUB_ASSIGN = 25, 65 MUL_ASSIGN = 26, 66 DIV_ASSIGN = 27, 67 AND_ASSIGN = 28, 68 OR_ASSIGN = 29, 69 LS_ASSIGN = 30, 70 RS_ASSIGN = 31, 71 /* function */ 72 ABSOLUTE = 32, 73 ADDR = 33, 74 ALIGN = 34, 75 ALIGNOF = 35, 76 BLOCK = 36, 77 DATA_SEGMENT_ALIGN = 37, 78 DATA_SEGMENT_END = 38, 79 DATA_SEGMENT_RELRO_END = 39, 80 DEFINED = 40, 81 LENGTH = 41, 82 LOADADDR = 42, 83 MAX = 43, 84 MIN = 44, 85 NEXT = 45, 86 ORIGIN = 46, 87 SEGMENT_START = 47, 88 SIZEOF = 48, 89 SIZEOF_HEADERS = 49, 90 MAXPAGESIZE = 50, 91 COMMONPAGESIZE = 51 92 }; 93 94 static const char* OpNames[]; 95 96 protected: 97 Operator(Arity pArity, Type pType); 98 99 const IntOperand* result() const { return m_pIntOperand; } 100 IntOperand* result() { return m_pIntOperand; } 101 102 public: 103 virtual ~Operator(); 104 105 Arity arity() const { return m_Arity; } 106 107 Type type() const { return m_Type; } 108 109 virtual void dump() const; 110 111 virtual IntOperand* eval(const Module& pModule, 112 const TargetLDBackend& pBackend) = 0; 113 114 virtual void appendOperand(Operand* pOperand) = 0; 115 116 static bool classof(const ExprToken* pToken) 117 { 118 return pToken->kind() == ExprToken::OPERATOR; 119 } 120 121 template<Operator::Type TYPE> 122 static Operator& create(); 123 124 private: 125 Arity m_Arity; 126 Type m_Type; 127 IntOperand* m_pIntOperand; 128 }; 129 130 /* Nullary operator */ 131 template<> 132 Operator& Operator::create<Operator::SIZEOF_HEADERS>(); 133 template<> 134 Operator& Operator::create<Operator::MAXPAGESIZE>(); 135 template<> 136 Operator& Operator::create<Operator::COMMONPAGESIZE>(); 137 138 /* Unary operator */ 139 template<> 140 Operator& Operator::create<Operator::UNARY_PLUS>(); 141 template<> 142 Operator& Operator::create<Operator::UNARY_MINUS>(); 143 template<> 144 Operator& Operator::create<Operator::LOGICAL_NOT>(); 145 template<> 146 Operator& Operator::create<Operator::BITWISE_NOT>(); 147 148 template<> 149 Operator& Operator::create<Operator::ABSOLUTE>(); 150 template<> 151 Operator& Operator::create<Operator::ADDR>(); 152 template<> 153 Operator& Operator::create<Operator::ALIGNOF>(); 154 template<> 155 Operator& Operator::create<Operator::DATA_SEGMENT_END>(); 156 template<> 157 Operator& Operator::create<Operator::DEFINED>(); 158 template<> 159 Operator& Operator::create<Operator::LENGTH>(); 160 template<> 161 Operator& Operator::create<Operator::LOADADDR>(); 162 template<> 163 Operator& Operator::create<Operator::NEXT>(); 164 template<> 165 Operator& Operator::create<Operator::ORIGIN>(); 166 template<> 167 Operator& Operator::create<Operator::SIZEOF>(); 168 169 /* Binary operator */ 170 template<> 171 Operator& Operator::create<Operator::MUL>(); 172 template<> 173 Operator& Operator::create<Operator::DIV>(); 174 template<> 175 Operator& Operator::create<Operator::MOD>(); 176 template<> 177 Operator& Operator::create<Operator::ADD>(); 178 template<> 179 Operator& Operator::create<Operator::SUB>(); 180 template<> 181 Operator& Operator::create<Operator::LSHIFT>(); 182 template<> 183 Operator& Operator::create<Operator::RSHIFT>(); 184 template<> 185 Operator& Operator::create<Operator::LT>(); 186 template<> 187 Operator& Operator::create<Operator::LE>(); 188 template<> 189 Operator& Operator::create<Operator::GT>(); 190 template<> 191 Operator& Operator::create<Operator::GE>(); 192 template<> 193 Operator& Operator::create<Operator::EQ>(); 194 template<> 195 Operator& Operator::create<Operator::NE>(); 196 template<> 197 Operator& Operator::create<Operator::BITWISE_AND>(); 198 template<> 199 Operator& Operator::create<Operator::BITWISE_XOR>(); 200 template<> 201 Operator& Operator::create<Operator::BITWISE_OR>(); 202 template<> 203 Operator& Operator::create<Operator::LOGICAL_AND>(); 204 template<> 205 Operator& Operator::create<Operator::LOGICAL_OR>(); 206 207 template<> 208 Operator& Operator::create<Operator::ALIGN>(); 209 template<> 210 Operator& Operator::create<Operator::DATA_SEGMENT_RELRO_END>(); 211 template<> 212 Operator& Operator::create<Operator::MAX>(); 213 template<> 214 Operator& Operator::create<Operator::MIN>(); 215 template<> 216 Operator& Operator::create<Operator::SEGMENT_START>(); 217 218 /* Ternary operator */ 219 template<> 220 Operator& Operator::create<Operator::TERNARY_IF>(); 221 222 template<> 223 Operator& 224 Operator::create<Operator::DATA_SEGMENT_ALIGN>(); 225 } // namespace of mcld 226 227 #endif 228 229
