mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-27 14:02:19 +00:00
80 lines
3 KiB
C#
80 lines
3 KiB
C#
using System;
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using CPUx86 = Indy.IL2CPU.Assembler.X86;
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namespace Cosmos.IL2CPU.X86.IL
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{
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[Cosmos.IL2CPU.OpCode( ILOpCode.Code.Conv_I )]
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public class Conv_I : ILOp
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{
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public Conv_I( Cosmos.IL2CPU.Assembler aAsmblr )
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: base( aAsmblr )
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{
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}
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public override void Execute( MethodInfo aMethod, ILOpCode aOpCode )
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{
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var xSource = Assembler.StackContents.Pop();
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switch( xSource.Size )
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{
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case 1:
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case 2:
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case 4:
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new CPUx86.Noop();
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break;
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case 8:
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new CPUx86.Add { DestinationReg = CPUx86.Registers.ESP, SourceValue = 4 };
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break;
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default:
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//EmitNotImplementedException( Assembler, GetServiceProvider(), "Conv_I: SourceSize " + xSource + " not supported!", mCurLabel, mMethodInformation, mCurOffset, mNextLabel );
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throw new NotImplementedException();
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}
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Assembler.StackContents.Push( new StackContent( 4, true, false, false ) );
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}
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// using System;
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//
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// using CPUx86 = Indy.IL2CPU.Assembler.X86;
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// using Indy.IL2CPU.Assembler;
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//
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// namespace Indy.IL2CPU.IL.X86 {
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// [OpCode(OpCodeEnum.Conv_I)]
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// public class Conv_I: Op {
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// private string mNextLabel;
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// private string mCurLabel;
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// private uint mCurOffset;
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// private MethodInformation mMethodInformation;
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// public Conv_I(ILReader aReader, MethodInformation aMethodInfo)
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// : base(aReader, aMethodInfo) {
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// mMethodInformation = aMethodInfo;
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// mCurOffset = aReader.Position;
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// mCurLabel = IL.Op.GetInstructionLabel(aReader);
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// mNextLabel = IL.Op.GetInstructionLabel(aReader.NextPosition);
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// }
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// public override void DoAssemble() {
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// var xSource = Assembler.StackContents.Pop();
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// switch (xSource.Size) {
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// case 1:
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// case 2:
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// case 4: {
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// new CPUx86.Noop();
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// break;
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// }
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// case 8: {
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// // new CPUx86.Pop(CPUx86.Registers_Old.EAX);
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// new CPUx86.Add { DestinationReg = CPUx86.Registers.ESP, SourceValue = 4 };
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// // new CPUx86.Pushd(CPUx86.Registers_Old.EAX);
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// break;
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//
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// }
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// default:
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// EmitNotImplementedException(Assembler, GetServiceProvider(), "Conv_I: SourceSize " + xSource + " not supported!", mCurLabel, mMethodInformation, mCurOffset, mNextLabel);
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// return;
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// }
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// Assembler.StackContents.Push(new StackContent(4, true, false, false));
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// }
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// }
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// }
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}
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}
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