Cosmos/source/Cosmos.IL2CPU/IL/Localloc.cs
2014-11-26 01:13:58 +00:00

96 lines
4.2 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using CPU = Cosmos.Assembler.x86;
using CPUx86 = Cosmos.Assembler.x86;
using System.Reflection;
using Cosmos.IL2CPU.X86;
using Cosmos.IL2CPU.ILOpCodes;
using Cosmos.Assembler;
namespace Cosmos.IL2CPU.X86.IL
{
[Cosmos.IL2CPU.OpCode( ILOpCode.Code.Localloc )]
public class Localloc : ILOp
{
public Localloc( Cosmos.Assembler.Assembler aAsmblr )
: base( aAsmblr )
{
}
public override void Execute( MethodInfo aMethod, ILOpCode aOpCode )
{
//var xId = MethodInfoLabelGenerator.GenerateLabelName(GCImplementationRefs.AllocNewObjectRef);
//new CPUx86.Call { DestinationLabel = xId };
//new CPUx86.Move
//{
// DestinationReg = CPUx86.Registers.EBP,
// DestinationIsIndirect = true,
// //DestinationDisplacement = mLocallocOffset,
// SourceReg = CPUx86.Registers.ESP,
// SourceIsIndirect = true
//};
throw new NotImplementedException("Localloc is not yet implemented!");
}
// using System;
// using System.Collections.Generic;
// using System.IO;
// using Cosmos.IL2CPU.X86;
// using Cosmos.IL2CPU.Compiler;
// using CPU = Cosmos.Assembler.x86;
// using CPUx86 = Cosmos.Assembler.x86;
//
// namespace Cosmos.IL2CPU.IL.X86 {
// [Cosmos.Assembler.OpCode(OpCodeEnum.Localloc)]
// public class Localloc: Op {
// public const string LocAllocCountMethodDataEntry = "LocAllocCount";
// public const string LocAllicItemMethodDataEntryTemplate = "LocAllocItem_L{0}";
//
// public static void ScanOp(ILReader aReader, MethodInformation aMethodInfo, SortedList<string, object> aMethodData, IServiceProvider aServiceProvider) {
// // xCurrentMethodLocallocCount contains the number of LocAlloc occurrences
// int xCurrentMethodLocallocCount = 0;
// if (aMethodData.ContainsKey(LocAllocCountMethodDataEntry))
// {
// xCurrentMethodLocallocCount = (int)aMethodData[LocAllocCountMethodDataEntry];
// }
// xCurrentMethodLocallocCount++;
// aMethodData[LocAllocCountMethodDataEntry] = xCurrentMethodLocallocCount;
// string xCurrentItem = String.Format(LocAllicItemMethodDataEntryTemplate,
// aReader.Position);
// #if DEBUG
// if (aMethodData.ContainsKey(xCurrentItem))
// {
// throw new Exception("Localloc item already exists in MethodData!");
// }
// #endif
// aMethodData.Add(xCurrentItem, xCurrentMethodLocallocCount);
// }
//
// private readonly int mLocallocOffset = 0;
// public Localloc(ILReader aReader, MethodInformation aMethodInfo)
// : base(aReader, aMethodInfo) {
// mLocallocOffset = (int)aMethodInfo.MethodData[String.Format(LocAllicItemMethodDataEntryTemplate,
// aReader.Position)];
// mLocallocOffset *= 4;
// mLocallocOffset += aMethodInfo.LocalsSize;
//
// }
// public override void DoAssemble() {
// var xId = GetService<IMetaDataInfoService>().GetMethodInfo(RuntimeEngineRefs.Heap_AllocNewObjectRef, false);
// new CPUx86.Call { DestinationLabel = xId.LabelName };
// new CPUx86.Move {
// DestinationReg = CPUx86.Registers.EBP,
// DestinationIsIndirect = true,
// DestinationDisplacement = mLocallocOffset,
// SourceReg = Registers.ESP,
// SourceIsIndirect = true
// };
// }
// }
// }
}
}