- Tried to port

This commit is contained in:
gero_cp 2009-08-24 12:12:34 +00:00
parent 191cf1ee2d
commit 3c81f68c66

View file

@ -1,72 +1,108 @@
using System;
using CPUx86 = Indy.IL2CPU.Assembler.X86;
namespace Cosmos.IL2CPU.X86.IL
{
[Cosmos.IL2CPU.OpCode(ILOpCode.Code.Ldobj)]
public class Ldobj: ILOp
{
public Ldobj(Cosmos.IL2CPU.Assembler aAsmblr):base(aAsmblr)
{
}
[Cosmos.IL2CPU.OpCode( ILOpCode.Code.Ldobj )]
public class Ldobj : ILOp
{
public Ldobj( Cosmos.IL2CPU.Assembler aAsmblr )
: base( aAsmblr )
{
}
public override void Execute( MethodInfo aMethod, ILOpCode aOpCode )
{
throw new NotImplementedException();
StackContent xSize = Assembler.StackContents.Pop();
new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
for( int i = 1; i <= ( xSize.Size / 4 ); i++ )
{
new CPUx86.Push { DestinationReg = CPUx86.Registers.EAX, DestinationIsIndirect = true, DestinationDisplacement = ( int )( xSize.Size - ( i * 4 ) ) };
}
switch( xSize.Size % 4 )
{
case 1:
{
new CPUx86.Xor { DestinationReg = CPUx86.Registers.EBX, SourceReg = CPUx86.Registers.EBX };
new CPUx86.Move { DestinationReg = CPUx86.Registers.BL, SourceIsIndirect = true, SourceReg = CPUx86.Registers.EAX };
new CPUx86.Push { DestinationReg = CPUx86.Registers.EBX };
break;
}
case 2:
{
new CPUx86.Xor { DestinationReg = CPUx86.Registers.EBX, SourceReg = CPUx86.Registers.EBX };
new CPUx86.Move { DestinationReg = CPUx86.Registers.BX, SourceIsIndirect = true, SourceReg = CPUx86.Registers.EAX };
new CPUx86.Push { DestinationReg = CPUx86.Registers.EBX };
break;
}
case 0:
{
break;
}
default:
throw new Exception( "Remainder not supported!" );
}
//Assembler.StackContents.Pop();
//TODO: Push type not number
//Assembler.StackContents.Push( new StackContent( ( int )xSize.Size, true, false, false ) );
}
// using System;
// using Indy.IL2CPU.Assembler.X86;
// using CPUx86 = Indy.IL2CPU.Assembler.X86;
// using Indy.IL2CPU.Assembler;
// using Indy.IL2CPU.Compiler;
//
// namespace Indy.IL2CPU.IL.X86 {
// [OpCode(OpCodeEnum.Ldobj)]
// public class Ldobj : Op {
// private Type xType;
//
// public Ldobj(ILReader aReader,
// MethodInformation aMethodInfo)
// : base(aReader,
// aMethodInfo) {
// xType = aReader.OperandValueType;
// if (xType == null) {
// throw new Exception("Type specification not found!");
// }
// }
//
// public override void DoAssemble() {
// var xSize = GetService<IMetaDataInfoService>().GetFieldStorageSize(xType);
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
// for (int i = 1; i <= (xSize / 4); i++) {
// new CPUx86.Push { DestinationReg = Registers.EAX, DestinationIsIndirect = true, DestinationDisplacement = (int)(xSize - (i * 4)) };
// }
// switch (xSize % 4) {
// case 1: {
// new CPUx86.Xor { DestinationReg = CPUx86.Registers.EBX, SourceReg = CPUx86.Registers.EBX };
// new CPUx86.Move { DestinationReg = CPUx86.Registers.BL, SourceIsIndirect = true, SourceReg = CPUx86.Registers.EAX };
// new CPUx86.Push { DestinationReg = Registers.EBX };
// break;
// }
// case 2: {
// new CPUx86.Xor { DestinationReg = CPUx86.Registers.EBX, SourceReg = CPUx86.Registers.EBX };
// new CPUx86.Move { DestinationReg = CPUx86.Registers.BX, SourceIsIndirect = true, SourceReg = CPUx86.Registers.EAX };
// new CPUx86.Push{DestinationReg=Registers.EBX};
// break;
// }
// case 0: {
// break;
// }
// default: {
// throw new Exception("Remainder not supported!");
// }
// }
// Assembler.StackContents.Pop();
// Assembler.StackContents.Push(new StackContent((int)xSize,
// xType));
// }
// }
// }
public override void Execute(MethodInfo aMethod, ILOpCode aOpCode) {
//TODO: Implement this Op
}
// using System;
// using Indy.IL2CPU.Assembler.X86;
// using CPUx86 = Indy.IL2CPU.Assembler.X86;
// using Indy.IL2CPU.Assembler;
// using Indy.IL2CPU.Compiler;
//
// namespace Indy.IL2CPU.IL.X86 {
// [OpCode(OpCodeEnum.Ldobj)]
// public class Ldobj : Op {
// private Type xType;
//
// public Ldobj(ILReader aReader,
// MethodInformation aMethodInfo)
// : base(aReader,
// aMethodInfo) {
// xType = aReader.OperandValueType;
// if (xType == null) {
// throw new Exception("Type specification not found!");
// }
// }
//
// public override void DoAssemble() {
// var xSize = GetService<IMetaDataInfoService>().GetFieldStorageSize(xType);
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
// for (int i = 1; i <= (xSize / 4); i++) {
// new CPUx86.Push { DestinationReg = Registers.EAX, DestinationIsIndirect = true, DestinationDisplacement = (int)(xSize - (i * 4)) };
// }
// switch (xSize % 4) {
// case 1: {
// new CPUx86.Xor { DestinationReg = CPUx86.Registers.EBX, SourceReg = CPUx86.Registers.EBX };
// new CPUx86.Move { DestinationReg = CPUx86.Registers.BL, SourceIsIndirect = true, SourceReg = CPUx86.Registers.EAX };
// new CPUx86.Push { DestinationReg = Registers.EBX };
// break;
// }
// case 2: {
// new CPUx86.Xor { DestinationReg = CPUx86.Registers.EBX, SourceReg = CPUx86.Registers.EBX };
// new CPUx86.Move { DestinationReg = CPUx86.Registers.BX, SourceIsIndirect = true, SourceReg = CPUx86.Registers.EAX };
// new CPUx86.Push{DestinationReg=Registers.EBX};
// break;
// }
// case 0: {
// break;
// }
// default: {
// throw new Exception("Remainder not supported!");
// }
// }
// Assembler.StackContents.Pop();
// Assembler.StackContents.Push(new StackContent((int)xSize,
// xType));
// }
// }
// }
}
}