Cosmos/source2/IL2PCU/Cosmos.IL2CPU.X86/IL/Stelem_Ref.cs
kudzu_cp da6cc0a00a
2009-07-26 15:36:05 +00:00

103 lines
4.9 KiB
C#

using System;
namespace Cosmos.IL2CPU.X86.IL
{
[Cosmos.IL2CPU.OpCode(ILOpCode.Code.Stelem_Ref)]
public class Stelem_Ref: ILOp
{
public Stelem_Ref(ILOpCode aOpCode):base(aOpCode)
{
}
public override void Execute(uint aMethodUID) {
throw new Exception("TODO:");
}
#region Old code
// using System;
// using System.IO;
// using CPU = Indy.IL2CPU.Assembler;
// using CPUx86 = Indy.IL2CPU.Assembler.X86;
// using Indy.IL2CPU.Assembler;
//
// namespace Indy.IL2CPU.IL.X86 {
// [OpCode(OpCodeEnum.Stelem_Ref)]
// public class Stelem_Ref: Op {
// private string mNextLabel;
// private string mCurLabel;
// private uint mCurOffset;
// private MethodInformation mMethodInformation;
// public Stelem_Ref(ILReader aReader, MethodInformation aMethodInfo)
// : base(aReader, aMethodInfo)
// {
// mMethodInformation = aMethodInfo;
// mCurOffset = aReader.Position;
// mCurLabel = IL.Op.GetInstructionLabel(aReader);
// mNextLabel = IL.Op.GetInstructionLabel(aReader.NextPosition);
// }
//
// public static void Assemble(CPU.Assembler aAssembler, uint aElementSize, IServiceProvider aServiceProvider, string aCurrentLabel, MethodInformation aCurrentMethodInfo, uint aCurrentOffset, string aNextLabel)
// {
// // stack - 3 == the array
// // stack - 2 == the index
// // stack - 1 == the new value
// uint xStackSize = aElementSize;
// if (xStackSize % 4 != 0) {
// xStackSize += 4 - xStackSize % 4;
// }
// new CPUx86.Push { DestinationReg = CPUx86.Registers.ESP, DestinationIsIndirect = true, DestinationDisplacement = (int)(xStackSize + 4) };
// new CPUx86.Call { DestinationLabel = IL2CPU.Assembler.MethodInfoLabelGenerator.GenerateLabelName(GCImplementationRefs.DecRefCountRef) };
// new CPUx86.Move{DestinationReg=CPUx86.Registers.EBX, SourceReg=CPUx86.Registers.ESP, SourceIsIndirect=true, SourceDisplacement= (int)xStackSize}; // the index
// new CPUx86.Move{DestinationReg=CPUx86.Registers.ECX, SourceReg=CPUx86.Registers.ESP, SourceIsIndirect=true, SourceDisplacement= (int)xStackSize+4}; // the index
// new CPUx86.Add { DestinationReg = CPUx86.Registers.ECX, SourceValue = (uint)(ObjectImpl.FieldDataOffset + 4) };
// new CPUx86.Push { DestinationValue = aElementSize };
// aAssembler.StackContents.Push(new StackContent(4, true, false, true));
// new CPUx86.Push { DestinationReg = CPUx86.Registers.EBX };
// aAssembler.StackContents.Push(new StackContent(4, true, false, true));
// Multiply(aAssembler, aServiceProvider,
// aCurrentLabel, aCurrentMethodInfo, aCurrentOffset, aNextLabel);
// new CPUx86.Push{DestinationReg=CPUx86.Registers.ECX};
// aAssembler.StackContents.Push(new StackContent(4, true, false, true));
// Add(aAssembler, aServiceProvider, aCurrentLabel, aCurrentMethodInfo, aCurrentOffset, aNextLabel);
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.ECX };
// aAssembler.StackContents.Pop();
// for (int i = (int)(aElementSize / 4) - 1; i >= 0; i -= 1) {
// new CPU.Comment("Start 1 dword");
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EBX };
// new CPUx86.Move { DestinationReg = CPUx86.Registers.ECX, DestinationIsIndirect = true, SourceReg = CPUx86.Registers.EBX };
// new CPUx86.Add { DestinationReg = CPUx86.Registers.ECX, SourceValue = 4 };
// }
// switch (aElementSize % 4) {
// case 1: {
// new CPU.Comment("Start 1 byte");
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EBX };
// new CPUx86.Move { DestinationReg = CPUx86.Registers.ECX, DestinationIsIndirect = true, SourceReg = CPUx86.Registers.BL };
// break;
// }
// case 2: {
// new CPU.Comment("Start 1 word");
// new CPUx86.Pop{DestinationReg = CPUx86.Registers.EBX};
// new CPUx86.Move { DestinationReg = CPUx86.Registers.ECX, DestinationIsIndirect = true, SourceReg = CPUx86.Registers.BX };
// break;
// }
// case 0: {
// break;
// }
// default:
// throw new Exception("Remainder size " + (aElementSize % 4) + " not supported!");
//
// }
// new CPUx86.Add { DestinationReg = CPUx86.Registers.ESP, SourceValue = 0x8 };
// aAssembler.StackContents.Pop();
// aAssembler.StackContents.Pop();
// aAssembler.StackContents.Pop();
// }
//
// public override void DoAssemble() {
// Assemble(Assembler, 4, GetServiceProvider(), mCurLabel, mMethodInformation, mCurOffset, mNextLabel);
// }
// }
// }
#endregion Old code
}
}