[239] | 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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[436] | 5 | #ifdef _AMD64_
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[485] | 6 | #include "../../compiler_x64/opcode.h"
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[436] | 7 | #else
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[484] | 8 | #include "../../compiler_x86/opcode.h"
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[436] | 9 | #endif
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[239] | 10 |
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[436] | 11 |
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[551] | 12 | void CodeGenerator::PutWithSchedule( long l, Schedule::Type scheduleType )
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| 13 | {
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| 14 | if( scheduleType == Schedule::CatchAddress )
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| 15 | {
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| 16 | const UserProc *pCurrentUserProc = compiler.IsGlobalAreaCompiling()
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| 17 | ? UserProc::pGlobalProc
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| 18 | : &compiler.GetCompilingUserProc();
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| 19 |
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| 20 | this->pNativeCode->PutCatchAddressSchedule( pCurrentUserProc, l );
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| 21 | }
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| 22 | else
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| 23 | {
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| 24 | this->pNativeCode->PutEx( l, scheduleType );
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| 25 | }
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| 26 | }
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| 27 |
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[247] | 28 | void CodeGenerator::ResolveExitSubSchedule()
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| 29 | {
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| 30 | BOOST_FOREACH( long exitSubCodePosition, exitSubCodePositions )
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| 31 | {
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| 32 | pNativeCode->Overwrite( exitSubCodePosition, (long)( pNativeCode->GetSize()-(exitSubCodePosition+sizeof(long)) ) );
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| 33 | }
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| 34 | }
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| 35 |
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[239] | 36 | void CodeGenerator::CheckUnresolveSchedule()
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| 37 | {
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| 38 | if( pertialSchedules.size() > 0 )
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| 39 | {
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[465] | 40 | compiler.errorMessenger.OutputFatalError();
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[239] | 41 | }
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| 42 | }
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| 43 |
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[357] | 44 | void CodeGenerator::opfix( const PertialSchedule *pPertialSchedule, _int64 newValue )
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[251] | 45 | {
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| 46 | bool isSuccessful = false;
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[239] | 47 |
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[251] | 48 | PertialSchedules::iterator it = pertialSchedules.begin();
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| 49 | while( it != pertialSchedules.end() )
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| 50 | {
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| 51 | if( (*it) == pPertialSchedule )
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| 52 | {
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| 53 | if( pPertialSchedule->GetTypeSize() == sizeof(char) )
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| 54 | {
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| 55 | if( newValue < -128 || 127 < newValue )
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| 56 | {
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| 57 | // 範囲外
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[465] | 58 | compiler.errorMessenger.OutputFatalError();
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[251] | 59 | }
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| 60 |
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| 61 | pNativeCode->Overwrite( pPertialSchedule->GetCodePos(), (char)newValue );
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| 62 | }
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| 63 | else if( pPertialSchedule->GetTypeSize() == sizeof(long) )
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| 64 | {
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[357] | 65 | pNativeCode->Overwrite( pPertialSchedule->GetCodePos(), static_cast<long>(newValue) );
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| 66 | }
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| 67 | else if( pPertialSchedule->GetTypeSize() == sizeof(_int64) )
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| 68 | {
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[251] | 69 | pNativeCode->Overwrite( pPertialSchedule->GetCodePos(), newValue );
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| 70 | }
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| 71 | else
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| 72 | {
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[465] | 73 | compiler.errorMessenger.OutputFatalError();
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[251] | 74 | }
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| 75 |
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| 76 | it = pertialSchedules.erase( it );
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| 77 | delete pPertialSchedule;
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| 78 |
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| 79 | isSuccessful = true;
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[253] | 80 | break;
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[251] | 81 | }
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| 82 | else
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| 83 | {
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| 84 | it++;
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| 85 | }
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| 86 | }
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| 87 |
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| 88 | if( isSuccessful == false )
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| 89 | {
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[465] | 90 | compiler.errorMessenger.OutputFatalError();
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[251] | 91 | }
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| 92 | }
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| 93 |
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[253] | 94 | void CodeGenerator::opfix_offset( const PertialSchedule *pPertialSchedule, long offset )
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| 95 | {
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| 96 | bool isSuccessful = false;
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[251] | 97 |
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[253] | 98 | PertialSchedules::iterator it = pertialSchedules.begin();
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| 99 | while( it != pertialSchedules.end() )
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| 100 | {
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| 101 | if( (*it) == pPertialSchedule )
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| 102 | {
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| 103 | if( pPertialSchedule->GetTypeSize() == sizeof(long) )
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| 104 | {
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| 105 | pNativeCode->Overwrite(
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| 106 | pPertialSchedule->GetCodePos(),
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| 107 | pNativeCode->GetLong(pPertialSchedule->GetCodePos()) + offset
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| 108 | );
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| 109 | }
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| 110 | else
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| 111 | {
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[465] | 112 | compiler.errorMessenger.OutputFatalError();
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[253] | 113 | }
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| 114 |
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| 115 | it = pertialSchedules.erase( it );
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| 116 | delete pPertialSchedule;
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| 117 |
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| 118 | isSuccessful = true;
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| 119 | break;
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| 120 | }
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| 121 | else
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| 122 | {
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| 123 | it++;
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| 124 | }
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| 125 | }
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| 126 |
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| 127 | if( isSuccessful == false )
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| 128 | {
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[465] | 129 | compiler.errorMessenger.OutputFatalError();
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[253] | 130 | }
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| 131 | }
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| 132 |
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| 133 |
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[239] | 134 | // 分岐関連
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| 135 | void CodeGenerator::opfix_JmpPertialSchedule( const PertialSchedule *pPertialSchedule )
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| 136 | {
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| 137 | bool isSuccessful = false;
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| 138 |
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[248] | 139 | PertialSchedules::iterator it = pertialSchedules.begin();
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[239] | 140 | while( it != pertialSchedules.end() )
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| 141 | {
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| 142 | if( (*it) == pPertialSchedule )
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| 143 | {
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[241] | 144 | long newValue = pNativeCode->GetSize() - (pPertialSchedule->GetCodePos()+pPertialSchedule->GetTypeSize());
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| 145 |
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[239] | 146 | if( pPertialSchedule->GetTypeSize() == sizeof(char) )
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| 147 | {
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[241] | 148 | if( newValue < -128 || 127 < newValue )
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| 149 | {
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| 150 | // 範囲外
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[465] | 151 | compiler.errorMessenger.OutputFatalError();
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[241] | 152 | }
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[239] | 153 |
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[241] | 154 | pNativeCode->Overwrite( pPertialSchedule->GetCodePos(), (char)newValue );
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[239] | 155 | }
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[241] | 156 | else if( pPertialSchedule->GetTypeSize() == sizeof(long) )
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| 157 | {
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| 158 | pNativeCode->Overwrite( pPertialSchedule->GetCodePos(), newValue );
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| 159 | }
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[239] | 160 | else
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| 161 | {
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[465] | 162 | compiler.errorMessenger.OutputFatalError();
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[239] | 163 | }
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| 164 |
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[245] | 165 | it = pertialSchedules.erase( it );
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[239] | 166 | delete pPertialSchedule;
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| 167 |
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| 168 | isSuccessful = true;
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| 169 | }
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| 170 | else
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| 171 | {
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| 172 | it++;
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| 173 | }
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| 174 | }
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| 175 |
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| 176 | if( isSuccessful == false )
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| 177 | {
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[465] | 178 | compiler.errorMessenger.OutputFatalError();
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[239] | 179 | }
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| 180 | }
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[248] | 181 | const PertialSchedule *CodeGenerator::__jmp_op_format( char opcode, long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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[239] | 182 | {
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[241] | 183 | long beginCodePos = pNativeCode->GetSize();
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[239] | 184 |
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[241] | 185 | if( opcode == (char)0xEB )
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| 186 | {
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| 187 | // jmp命令のとき
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| 188 | if( op_size == sizeof(char) )
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| 189 | {
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| 190 | pNativeCode->Put( (char)opcode );
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| 191 | }
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| 192 | else if( op_size == sizeof(long) )
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| 193 | {
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| 194 | pNativeCode->Put( (char)0xE9 );
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| 195 | }
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| 196 | else
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| 197 | {
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[465] | 198 | compiler.errorMessenger.OutputFatalError();
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[241] | 199 | }
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| 200 | }
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| 201 | else
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| 202 | {
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| 203 | if( op_size == sizeof(char) )
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| 204 | {
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| 205 | pNativeCode->Put( (char)((char)0x70 | opcode) );
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| 206 | }
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| 207 | else if( op_size == sizeof(long) )
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| 208 | {
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| 209 | pNativeCode->Put( (char)0x0F );
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| 210 | pNativeCode->Put( (char)((char)0x80 | opcode) );
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| 211 | }
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| 212 | else
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| 213 | {
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[465] | 214 | compiler.errorMessenger.OutputFatalError();
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[241] | 215 | }
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| 216 | }
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| 217 |
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[245] | 218 | const PertialSchedule *pPertialSchedule = NULL;
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[239] | 219 | if( isPertialSchedule )
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| 220 | {
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| 221 | pertialSchedules.push_back( new PertialSchedule( pNativeCode->GetSize(), op_size ) );
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[251] | 222 | pPertialSchedule = pertialSchedules.back();
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[239] | 223 | }
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| 224 |
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[241] | 225 | if( isSelfOpcodeOffset )
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| 226 | {
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| 227 | // 自分自身の命令サイズを考慮する場合
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[276] | 228 | offset -= ( pNativeCode->GetSize() - beginCodePos ) + op_size;
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[241] | 229 | }
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| 230 |
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[239] | 231 | if( op_size == sizeof(char) )
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| 232 | {
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| 233 | pNativeCode->Put( (char)offset );
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| 234 | }
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| 235 | else if( op_size == sizeof(long) )
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| 236 | {
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| 237 | pNativeCode->Put( offset );
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| 238 | }
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| 239 | else
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| 240 | {
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[465] | 241 | compiler.errorMessenger.OutputFatalError();
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[239] | 242 | }
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| 243 |
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| 244 | return pPertialSchedule;
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| 245 | }
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[250] | 246 | const PertialSchedule *CodeGenerator::op_jle( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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[239] | 247 | {
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[250] | 248 | return __jmp_op_format( (char)0x0E, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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[239] | 249 | }
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[250] | 250 | const PertialSchedule *CodeGenerator::op_jbe( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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[239] | 251 | {
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[250] | 252 | return __jmp_op_format( (char)0x06, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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[239] | 253 | }
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[250] | 254 | const PertialSchedule *CodeGenerator::op_jge( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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[239] | 255 | {
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[250] | 256 | return __jmp_op_format( (char)0x0D, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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[239] | 257 | }
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[250] | 258 | const PertialSchedule *CodeGenerator::op_jae( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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[239] | 259 | {
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[250] | 260 | return __jmp_op_format( (char)0x03, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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[239] | 261 | }
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[250] | 262 | const PertialSchedule *CodeGenerator::op_jl( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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[239] | 263 | {
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[250] | 264 | return __jmp_op_format( (char)0x0C, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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[239] | 265 | }
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[250] | 266 | const PertialSchedule *CodeGenerator::op_jb( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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[239] | 267 | {
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[250] | 268 | return __jmp_op_format( (char)0x02, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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[239] | 269 | }
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[250] | 270 | const PertialSchedule *CodeGenerator::op_jg( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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[239] | 271 | {
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[250] | 272 | return __jmp_op_format( (char)0x0F, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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[239] | 273 | }
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[250] | 274 | const PertialSchedule *CodeGenerator::op_ja( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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[239] | 275 | {
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[250] | 276 | return __jmp_op_format( (char)0x07, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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[239] | 277 | }
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[250] | 278 | const PertialSchedule *CodeGenerator::op_jne( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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[239] | 279 | {
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[250] | 280 | return __jmp_op_format( (char)0x05, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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[239] | 281 | }
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[250] | 282 | const PertialSchedule *CodeGenerator::op_je( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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[239] | 283 | {
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[250] | 284 | return __jmp_op_format( (char)0x04, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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[239] | 285 | }
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[248] | 286 | const PertialSchedule *CodeGenerator::op_jmp( long offset, int op_size, bool isPertialSchedule, bool isSelfOpcodeOffset )
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[239] | 287 | {
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[241] | 288 | return __jmp_op_format( (char)0xEB, offset, op_size, isPertialSchedule, isSelfOpcodeOffset );
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[239] | 289 | }
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[241] | 290 | void CodeGenerator::op_jmp_continue()
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| 291 | {
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[254] | 292 | if( GetContinueCodePos() == -1 )
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[241] | 293 | {
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[465] | 294 | compiler.errorMessenger.Output(12,"Continue",cp);
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[241] | 295 | return;
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| 296 | }
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[254] | 297 | op_jmp( GetContinueCodePos() - pNativeCode->GetSize(), sizeof(long), false, true );
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[241] | 298 | }
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[247] | 299 | void CodeGenerator::op_jmp_exitsub()
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| 300 | {
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| 301 | // オペコード
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| 302 | pNativeCode->Put( (char)0xE9 );
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| 303 |
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| 304 | exitSubCodePositions.push_back( pNativeCode->GetSize() );
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| 305 |
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| 306 | pNativeCode->Put( (long)0 );
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| 307 | }
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[253] | 308 | void CodeGenerator::op_jmp_goto_schedule( const std::string &name, int lineNum, int sourceCodePos )
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[246] | 309 | {
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| 310 | // オペコード
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| 311 | pNativeCode->Put( (char)0xE9 );
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| 312 |
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[253] | 313 | const GotoLabelSchedule *pGotoLabelSchedule = NULL;
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| 314 | if( name.size() == 0 )
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| 315 | {
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| 316 | pGotoLabelSchedule = new GotoLabelSchedule( name, pNativeCode->GetSize(), sourceCodePos );
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| 317 | }
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| 318 | else
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| 319 | {
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| 320 | pGotoLabelSchedule = new GotoLabelSchedule( name, pNativeCode->GetSize(), sourceCodePos );
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| 321 | }
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| 322 | gotoLabelSchedules.push_back( pGotoLabelSchedule );
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[246] | 323 |
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[253] | 324 | pertialSchedules.push_back( pGotoLabelSchedule );
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| 325 |
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[246] | 326 | pNativeCode->Put( (long)0 );
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| 327 | }
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[435] | 328 |
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| 329 | void CodeGenerator::op_AddNeedFreeTempStructure( int reg )
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| 330 | {
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| 331 | #ifdef _AMD64_
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| 332 | //////////////////////////////////////////////////////
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| 333 | ///// レジスタ資源のバックアップ
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| 334 | { BACKUP_REGISTER_RESOURCE
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| 335 | //////////////////////////////////////////////////////
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| 336 |
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[436] | 337 | //mov rcx,reg
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| 338 | op_mov_RR( REG_RCX, reg );
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[435] | 339 |
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[436] | 340 | //call _System_AddNeedFreeTempStructure
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| 341 | extern const UserProc *pSub_System_AddNeedFreeTempStructure;
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| 342 | op_call( pSub_System_AddNeedFreeTempStructure );
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[435] | 343 |
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| 344 | /////////////////////////////////////////////
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| 345 | ////// レジスタ資源を復元
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| 346 | RESTORE_REGISTER_RESOURCE
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| 347 | }////////////////////////////////////////////
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| 348 | #else
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| 349 |
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| 350 | //push useReg(引き続き利用するため、退避しておく)
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| 351 | compiler.codeGenerator.op_push( reg );
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| 352 |
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| 353 | //push useReg
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| 354 | compiler.codeGenerator.op_push( reg );
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| 355 |
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| 356 | //call _System_AddNeedFreeTempStructure
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| 357 | extern const UserProc *pSub_System_AddNeedFreeTempStructure;
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| 358 | compiler.codeGenerator.op_call( pSub_System_AddNeedFreeTempStructure );
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| 359 |
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| 360 | //pop useReg(復元する)
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| 361 | compiler.codeGenerator.op_pop( reg );
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| 362 | #endif
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| 363 |
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| 364 | isNeedFreeTempStructureInCurrentStep = true;
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| 365 | }
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| 366 | void CodeGenerator::op_FreeTempStructure()
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| 367 | {
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| 368 | if( !isNeedFreeTempStructureInCurrentStep )
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| 369 | {
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| 370 | // 解放の必要はない
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| 371 | return;
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| 372 | }
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| 373 |
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| 374 | // call _System_FreeTempStructure
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| 375 | extern const UserProc *pSub_System_FreeTempStructure;
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| 376 | op_call( pSub_System_FreeTempStructure );
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| 377 |
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| 378 | isNeedFreeTempStructureInCurrentStep = false;
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| 379 | }
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