1 /* |
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2 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 package sun.jvm.hotspot.asm.sparc; |
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26 |
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27 import sun.jvm.hotspot.asm.*; |
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28 |
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29 // Please refer to "The SPARC Architecture Manual - Version 9" |
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30 |
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31 public class SPARCV9Disassembler extends SPARCDisassembler |
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32 implements /* imports */ SPARCV9Opcodes { |
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33 public SPARCV9Disassembler(long startPc, byte[] code, SPARCV9InstructionFactory factory) { |
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34 super(startPc, code, factory); |
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35 } |
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36 |
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37 public SPARCV9Disassembler(long startPc, byte[] code) { |
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38 this(startPc, code, new SPARCV9InstructionFactoryImpl()); |
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39 } |
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40 |
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41 // decoders for format 2 instructions |
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42 private static InstructionDecoder format2Decoders[] = { |
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43 new UnimpDecoder(), |
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44 new V9IntegerBranchDecoder(), |
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45 new IntegerBranchDecoder(), |
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46 new V9IntRegisterBranchDecoder(), |
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47 new SethiDecoder(), |
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48 new V9FloatBranchDecoder(), |
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49 new FloatBranchDecoder(), |
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50 illegalDecoder |
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51 }; |
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52 |
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53 protected InstructionDecoder getFormat2Decoder(int op2) { |
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54 return format2Decoders[op2]; |
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55 } |
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56 |
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57 // op3 opcode table for op=3 (FORMAT_3) instructions - (memory instructions) |
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58 // E.2 Tables - Page 275 - Table 33. |
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59 private static final InstructionDecoder format3Decoders[][] = { |
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60 { |
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61 new LoadDecoder(LDUW, "ld" /* lduw */, RTLDT_UNSIGNED_WORD), new V9AlternateSpaceLoadDecoder(LDUWA, "lduwa", RTLDT_UNSIGNED_WORD), |
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62 new LoadDecoder(LDF,"ld", RTLDT_FL_SINGLE), new V9AlternateSpaceLoadDecoder(LDFA, "lda", RTLDT_FL_SINGLE) |
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63 }, |
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64 { |
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65 new LoadDecoder(LDUB, "ldub", RTLDT_UNSIGNED_BYTE), new V9AlternateSpaceLoadDecoder(LDUBA, "lduba", RTLDT_UNSIGNED_BYTE), |
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66 new V9SpecialLoadDecoder(LDFSR), illegalDecoder |
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67 }, |
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68 { |
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69 new LoadDecoder(LDUH, "lduh", RTLDT_UNSIGNED_HALF), new V9AlternateSpaceLoadDecoder(LDUHA, "lduha", RTLDT_UNSIGNED_HALF), |
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70 new LoadDecoder(LDQF, "ldq", RTLDT_FL_QUAD), new V9AlternateSpaceLoadDecoder(LDQFA, "ldqa", RTLDT_FL_QUAD) |
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71 }, |
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72 { |
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73 new LoadDecoder(LDD, "ldd", RTLDT_UNSIGNED_DWORD), new V9AlternateSpaceLoadDecoder(LDDA, "ldda", RTLDT_UNSIGNED_DWORD), |
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74 new LoadDecoder(LDDF, "ldd", RTLDT_FL_DOUBLE), new LoadDecoder(LDDFA, "ldda", RTLDT_FL_DOUBLE) |
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75 }, |
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76 { |
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77 new StoreDecoder(STW, "st" /* stw, stuw, stsw */, RTLDT_UNSIGNED_WORD), new V9AlternateSpaceStoreDecoder(STWA, "stwa", RTLDT_UNSIGNED_WORD), |
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78 new StoreDecoder(STF, "st", RTLDT_FL_SINGLE), new StoreDecoder(STFA, "st", RTLDT_FL_SINGLE), |
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79 }, |
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80 { |
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81 new StoreDecoder(STB, "stb", RTLDT_UNSIGNED_BYTE), new V9AlternateSpaceStoreDecoder(STBA, "stba", RTLDT_UNSIGNED_BYTE), |
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82 new V9SpecialStoreDecoder(STFSR), illegalDecoder |
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83 }, |
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84 { |
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85 new StoreDecoder(STH, "sth", RTLDT_UNSIGNED_HALF), new V9AlternateSpaceStoreDecoder(STHA, "stha", RTLDT_UNSIGNED_HALF), |
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86 new StoreDecoder(STQF, "stq", RTLDT_FL_QUAD), new V9AlternateSpaceStoreDecoder(STQFA, "stqa", RTLDT_FL_QUAD), |
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87 }, |
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88 { |
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89 new StoreDecoder(STD, "std", RTLDT_UNSIGNED_DWORD), new V9AlternateSpaceStoreDecoder(STDA, "stda", RTLDT_UNSIGNED_DWORD), |
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90 new StoreDecoder(STDF, "std", RTLDT_FL_DOUBLE), new V9AlternateSpaceStoreDecoder(STDFA, "stda", RTLDT_FL_DOUBLE) |
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91 }, |
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92 { |
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93 new LoadDecoder(LDSW, "ldsw", RTLDT_SIGNED_WORD), new V9AlternateSpaceLoadDecoder(LDSWA, "ldswa", RTLDT_SIGNED_WORD), |
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94 illegalDecoder, illegalDecoder |
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95 }, |
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96 { |
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97 new LoadDecoder(LDSB, "ldsb", RTLDT_SIGNED_BYTE), new V9AlternateSpaceLoadDecoder(LDSBA, "ldsba", RTLDT_UNSIGNED_BYTE), |
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98 illegalDecoder, illegalDecoder |
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99 }, |
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100 { |
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101 new LoadDecoder(LDSH, "ldsh", RTLDT_SIGNED_HALF), new V9AlternateSpaceLoadDecoder(LDSHA, "ldsha", RTLDT_UNSIGNED_HALF), |
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102 illegalDecoder, illegalDecoder |
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103 }, |
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104 { |
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105 new LoadDecoder(LDX, "ldx", RTLDT_UNSIGNED_DWORD), new V9AlternateSpaceLoadDecoder(LDXA, "ldxa", RTLDT_UNSIGNED_DWORD), |
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106 illegalDecoder, illegalDecoder |
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107 }, |
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108 { |
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109 illegalDecoder, illegalDecoder, |
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110 illegalDecoder, new V9CasDecoder(CASA, "casa", RTLDT_UNSIGNED_WORD) |
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111 }, |
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112 { |
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113 new LdstubDecoder(LDSTUB, "ldstub", RTLDT_UNSIGNED_BYTE), new V9AlternateSpaceLdstubDecoder(LDSTUBA, "ldstuba", RTLDT_UNSIGNED_BYTE), |
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114 new V9PrefetchDecoder(), new V9AlternateSpacePrefetchDecoder() |
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115 }, |
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116 { |
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117 new StoreDecoder(STX, "stx", RTLDT_UNSIGNED_DWORD), new V9AlternateSpaceStoreDecoder(STXA, "stxa", RTLDT_UNSIGNED_DWORD), |
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118 illegalDecoder, new V9CasDecoder(CASXA, "casxa", RTLDT_UNSIGNED_DWORD) |
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119 }, |
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120 { |
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121 new SwapDecoder(SWAP, "swap", RTLDT_UNSIGNED_WORD), new V9AlternateSpaceSwapDecoder(SWAPA, "swapa", RTLDT_UNSIGNED_WORD), |
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122 illegalDecoder, illegalDecoder |
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123 }, |
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124 }; |
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125 |
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126 protected InstructionDecoder getFormat3Decoder(int row, int column) { |
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127 return format3Decoders[row][column]; |
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128 } |
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129 |
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130 // op3 decoder table for op=2 (FORMAT_3A) instructions |
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131 // E Opcode Maps - Page 274 - Table 32 |
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132 |
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133 protected static final InstructionDecoder format3ADecoders[][] = { |
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134 { |
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135 new ArithmeticDecoder(ADD, "add", RTLOP_ADD), new ArithmeticDecoder(ADDcc, "addcc", RTLOP_ADD), |
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136 new ArithmeticDecoder(TADDcc, "taddcc", RTLOP_ADD), new V9WriteDecoder() |
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137 }, |
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138 { |
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139 new LogicDecoder(AND, "and", RTLOP_AND), new LogicDecoder(ANDcc, "andcc", RTLOP_AND), |
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140 new ArithmeticDecoder(TSUBcc, "tsubcc", RTLOP_ADD), new V9SavedRestoredDecoder() |
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141 }, |
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142 { |
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143 new LogicDecoder(OR, "or", RTLOP_OR), new LogicDecoder(ORcc, "orcc", RTLOP_OR), |
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144 new ArithmeticDecoder(TADDccTV, "taddcctv", RTLOP_ADD), new V9WrprDecoder() |
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145 }, |
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146 { |
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147 new LogicDecoder(XOR, "xor", RTLOP_XOR), new LogicDecoder(XORcc, "xorcc", RTLOP_XOR), |
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148 new ArithmeticDecoder(TSUBccTV, "tsubcctv", RTLOP_SUB), illegalDecoder |
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149 }, |
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150 { |
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151 new ArithmeticDecoder(SUB, "sub", RTLOP_SUB), new ArithmeticDecoder(SUBcc, "subcc", RTLOP_SUB), |
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152 new ArithmeticDecoder(MULScc, "mulscc", RTLOP_SMUL), new V9FPop1Decoder() |
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153 }, |
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154 { |
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155 new LogicDecoder(ANDN, "andn", RTLOP_NAND), new LogicDecoder(ANDNcc, "andncc", RTLOP_NAND), |
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156 new V9ShiftDecoder(SLL, "sll", RTLOP_SLL), new V9FPop2Decoder() |
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157 }, |
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158 { |
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159 new LogicDecoder(ORN, "orn", RTLOP_NOR), new LogicDecoder(ORNcc, "orncc", RTLOP_NOR), |
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160 new V9ShiftDecoder(SRL, "srl", RTLOP_SRL), new CoprocessorDecoder(IMPDEP1) |
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161 }, |
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162 { |
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163 new LogicDecoder(XNOR, "xnor", RTLOP_XNOR), new LogicDecoder(XNORcc, "xnorcc", RTLOP_XNOR), |
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164 new V9ShiftDecoder(SRA, "sra", RTLOP_SRA), new CoprocessorDecoder(IMPDEP2) |
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165 }, |
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166 { |
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167 new ArithmeticDecoder(ADDC, "addc", RTLOP_ADDC), new ArithmeticDecoder(ADDCcc, "addccc", RTLOP_ADDC), |
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168 new V9ReadDecoder(), new JmplDecoder() |
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169 }, |
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170 { |
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171 new ArithmeticDecoder(MULX, "mulx", RTLOP_UMUL), illegalDecoder, |
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172 illegalDecoder, new RettDecoder() |
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173 }, |
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174 { |
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175 new ArithmeticDecoder(UMUL, "umul", RTLOP_UMUL), new ArithmeticDecoder(UMULcc, "umulcc", RTLOP_UMUL), |
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176 new V9RdprDecoder(), new TrapDecoder() |
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177 }, |
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178 { |
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179 new ArithmeticDecoder(SMUL, "smul", RTLOP_SMUL), new ArithmeticDecoder(SMULcc, "smulcc", RTLOP_SMUL), |
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180 new V9FlushwDecoder(), new FlushDecoder() |
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181 }, |
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182 { |
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183 new ArithmeticDecoder(SUBC, "subc", RTLOP_SUBC), new ArithmeticDecoder(SUBCcc, "subccc", RTLOP_SUBC), |
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184 new V9MOVccDecoder(), new SaveDecoder() |
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185 }, |
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186 { |
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187 new ArithmeticDecoder(UDIVX, "udivx", RTLOP_UDIV), illegalDecoder, |
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188 new ArithmeticDecoder(SDIVX, "sdivx", RTLOP_SDIV), new RestoreDecoder() |
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189 }, |
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190 { |
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191 new ArithmeticDecoder(UDIV, "udiv", RTLOP_UDIV), new ArithmeticDecoder(UDIVcc, "udivcc", RTLOP_UDIV), |
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192 new V9PopcDecoder(), new V9DoneRetryDecoder() |
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193 }, |
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194 { |
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195 new ArithmeticDecoder(SDIV, "sdiv", RTLOP_SDIV), new ArithmeticDecoder(SDIVcc, "sdivcc", RTLOP_SDIV), |
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196 new V9MOVrDecoder(), illegalDecoder |
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197 } |
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198 }; |
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199 |
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200 protected InstructionDecoder getFormat3ADecoder(int row, int column) { |
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201 return format3ADecoders[row][column]; |
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202 } |
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203 } |
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