1 | #include "stdafx.h"
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2 |
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3 | #include <CodeGenerator.h>
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4 |
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5 |
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6 | void CodeGenerator::ResolveExitSubSchedule()
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7 | {
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8 | BOOST_FOREACH( long exitSubCodePosition, exitSubCodePositions )
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9 | {
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10 | pNativeCode->Overwrite( exitSubCodePosition, (long)( pNativeCode->GetSize()-(exitSubCodePosition+sizeof(long)) ) );
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11 | }
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12 |
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13 | // TODO: 未完成
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14 | BOOST_FOREACH( long exitSubCodePositionOld, _exitSubCodePositions_ObpOld )
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15 | {
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16 | extern int obp;
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17 | pNativeCode->OverwriteOld( exitSubCodePositionOld, (long)( obp-(exitSubCodePositionOld+sizeof(long)) ) );
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18 | }
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19 | }
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20 |
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21 | void CodeGenerator::CheckUnresolveSchedule()
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22 | {
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23 | if( pertialSchedules.size() > 0 )
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24 | {
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25 | SetError();
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26 | }
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27 | }
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28 |
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29 | void CodeGenerator::opfix( const PertialSchedule *pPertialSchedule, long newValue )
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30 | {
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31 | bool isSuccessful = false;
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32 |
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33 | PertialSchedules::iterator it = pertialSchedules.begin();
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34 | while( it != pertialSchedules.end() )
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35 | {
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36 | if( (*it) == pPertialSchedule )
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37 | {
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38 | if( pPertialSchedule->GetTypeSize() == sizeof(char) )
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39 | {
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40 | if( newValue < -128 || 127 < newValue )
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41 | {
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42 | // 範囲外
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43 | SetError();
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44 | }
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45 |
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46 | pNativeCode->Overwrite( pPertialSchedule->GetCodePos(), (char)newValue );
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47 |
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48 | // TODO: 未完成(用が無くなったら消す)
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49 | pNativeCode->OverwriteOld( pPertialSchedule->GetObpOld(), (char)newValue );
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50 | }
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51 | else if( pPertialSchedule->GetTypeSize() == sizeof(long) )
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52 | {
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53 | pNativeCode->Overwrite( pPertialSchedule->GetCodePos(), newValue );
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54 |
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55 | // TODO: 未完成(用が無くなったら消す)
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56 | pNativeCode->OverwriteOld( pPertialSchedule->GetObpOld(), newValue );
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57 | }
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58 | else
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59 | {
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60 | SetError();
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61 | }
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62 |
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63 | it = pertialSchedules.erase( it );
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64 | delete pPertialSchedule;
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65 |
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66 | isSuccessful = true;
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67 | }
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68 | else
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69 | {
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70 | it++;
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71 | }
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72 | }
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73 |
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74 | if( isSuccessful == false )
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75 | {
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76 | SetError();
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77 | }
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78 | }
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79 |
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80 |
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81 | // 分岐関連
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82 | void CodeGenerator::opfix_JmpPertialSchedule( const PertialSchedule *pPertialSchedule )
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83 | {
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84 | bool isSuccessful = false;
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85 |
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86 | PertialSchedules::iterator it = pertialSchedules.begin();
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87 | while( it != pertialSchedules.end() )
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88 | {
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89 | if( (*it) == pPertialSchedule )
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90 | {
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91 | long newValue = pNativeCode->GetSize() - (pPertialSchedule->GetCodePos()+pPertialSchedule->GetTypeSize());
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92 |
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93 | extern int obp;
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94 | long newValueOld = obp - (pPertialSchedule->GetObpOld()+pPertialSchedule->GetTypeSize());
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95 |
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96 | if( pPertialSchedule->GetTypeSize() == sizeof(char) )
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97 | {
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98 | if( newValue < -128 || 127 < newValue )
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99 | {
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100 | // 範囲外
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101 | SetError();
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102 | }
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103 |
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104 | pNativeCode->Overwrite( pPertialSchedule->GetCodePos(), (char)newValue );
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105 |
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106 | // TODO: 未完成(用が無くなったら消す)
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107 | pNativeCode->OverwriteOld( pPertialSchedule->GetObpOld(), (char)newValueOld );
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108 | }
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109 | else if( pPertialSchedule->GetTypeSize() == sizeof(long) )
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110 | {
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111 | pNativeCode->Overwrite( pPertialSchedule->GetCodePos(), newValue );
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112 |
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113 | // TODO: 未完成(用が無くなったら消す)
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114 | pNativeCode->OverwriteOld( pPertialSchedule->GetObpOld(), newValueOld );
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115 | }
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116 | else
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117 | {
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118 | SetError();
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119 | }
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120 |
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121 | it = pertialSchedules.erase( it );
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122 | delete pPertialSchedule;
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123 |
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124 | isSuccessful = true;
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125 | }
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126 | else
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127 | {
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128 | it++;
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129 | }
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130 | }
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131 |
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132 | if( isSuccessful == false )
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133 | {
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134 | SetError();
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135 | }
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136 | }
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137 | const PertialSchedule *CodeGenerator::__jmp_op_format( char opcode, long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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138 | {
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139 | long beginCodePos = pNativeCode->GetSize();
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140 | {
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141 | // TODO: 未完成
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142 | extern int obp;
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143 | beginCodePos = obp;
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144 | }
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145 |
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146 | if( opcode == (char)0xEB )
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147 | {
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148 | // jmp命令のとき
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149 | if( op_size == sizeof(char) )
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150 | {
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151 | pNativeCode->Put( (char)opcode );
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152 | }
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153 | else if( op_size == sizeof(long) )
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154 | {
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155 | pNativeCode->Put( (char)0xE9 );
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156 | }
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157 | else
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158 | {
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159 | SetError();
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160 | }
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161 | }
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162 | else
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163 | {
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164 | if( op_size == sizeof(char) )
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165 | {
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166 | pNativeCode->Put( (char)((char)0x70 | opcode) );
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167 | }
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168 | else if( op_size == sizeof(long) )
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169 | {
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170 | pNativeCode->Put( (char)0x0F );
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171 | pNativeCode->Put( (char)((char)0x80 | opcode) );
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172 | }
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173 | else
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174 | {
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175 | SetError();
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176 | }
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177 | }
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178 |
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179 | const PertialSchedule *pPertialSchedule = NULL;
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180 | if( isPertialSchedule )
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181 | {
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182 | pertialSchedules.push_back( new PertialSchedule( pNativeCode->GetSize(), op_size ) );
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183 | pPertialSchedule = pertialSchedules.back();
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184 | }
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185 |
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186 | if( isSelfOpcodeOffset )
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187 | {
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188 | // 自分自身の命令サイズを考慮する場合
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189 | //offset += ( pNativeCode->GetSize() - beginCodePos ) + op_size;
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190 |
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191 | // TODO: 未完成
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192 | extern int obp;
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193 | offset -= ( obp - beginCodePos ) + op_size;
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194 | }
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195 |
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196 | if( op_size == sizeof(char) )
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197 | {
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198 | pNativeCode->Put( (char)offset );
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199 | }
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200 | else if( op_size == sizeof(long) )
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201 | {
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202 | pNativeCode->Put( offset );
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203 | }
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204 | else
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205 | {
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206 | SetError();
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207 | }
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208 |
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209 | return pPertialSchedule;
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210 | }
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211 | const PertialSchedule *CodeGenerator::op_jle( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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212 | {
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213 | return __jmp_op_format( (char)0x0E, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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214 | }
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215 | const PertialSchedule *CodeGenerator::op_jbe( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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216 | {
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217 | return __jmp_op_format( (char)0x06, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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218 | }
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219 | const PertialSchedule *CodeGenerator::op_jge( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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220 | {
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221 | return __jmp_op_format( (char)0x0D, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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222 | }
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223 | const PertialSchedule *CodeGenerator::op_jae( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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224 | {
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225 | return __jmp_op_format( (char)0x03, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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226 | }
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227 | const PertialSchedule *CodeGenerator::op_jl( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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228 | {
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229 | return __jmp_op_format( (char)0x0C, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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230 | }
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231 | const PertialSchedule *CodeGenerator::op_jb( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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232 | {
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233 | return __jmp_op_format( (char)0x02, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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234 | }
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235 | const PertialSchedule *CodeGenerator::op_jg( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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236 | {
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237 | return __jmp_op_format( (char)0x0F, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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238 | }
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239 | const PertialSchedule *CodeGenerator::op_ja( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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240 | {
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241 | return __jmp_op_format( (char)0x07, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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242 | }
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243 | const PertialSchedule *CodeGenerator::op_jne( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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244 | {
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245 | return __jmp_op_format( (char)0x05, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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246 | }
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247 | const PertialSchedule *CodeGenerator::op_je( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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248 | {
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249 | return __jmp_op_format( (char)0x04, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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250 | }
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251 | const PertialSchedule *CodeGenerator::op_jmp( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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252 | {
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253 | return __jmp_op_format( (char)0xEB, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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254 | }
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255 | void CodeGenerator::op_jmp_continue()
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256 | {
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257 | //op_jmp( GetContinueCodePos()-(pNativeCode->GetSize()+sizeof(long)), sizeof(long) );
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258 |
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259 | // TODO: 未完成(OpBuffer/obp廃止が整ったら上記のコードを有効にすべし)
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260 |
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261 | if( GetContinueCodePosOld() == -1 )
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262 | {
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263 | SetError(12,"Continue",cp);
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264 | return;
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265 | }
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266 |
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267 | extern int obp;
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268 | op_jmp( GetContinueCodePosOld()-obp, sizeof(long), false, true );
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269 | }
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270 | void CodeGenerator::op_jmp_exitsub()
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271 | {
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272 | // オペコード
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273 | pNativeCode->Put( (char)0xE9 );
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274 |
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275 | exitSubCodePositions.push_back( pNativeCode->GetSize() );
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276 |
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277 | extern int obp;
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278 | _exitSubCodePositions_ObpOld.push_back( obp );
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279 |
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280 | pNativeCode->Put( (long)0 );
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281 | }
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282 | void CodeGenerator::op_jmp_goto_schedule( const GotoLabelSchedule &gotoLabelSchedule )
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283 | {
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284 | // オペコード
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285 | pNativeCode->Put( (char)0xE9 );
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286 |
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287 | gotoLabelSchedules.push_back( gotoLabelSchedule );
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288 |
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289 | pNativeCode->Put( (long)0 );
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290 | }
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