Cosmos/source/Indy.IL2CPU.IL.X86/Ldloca.cs
2008-02-04 08:17:37 +00:00

41 lines
No EOL
1.2 KiB
C#

using System;
using System.Linq;
using CPUx86 = Indy.IL2CPU.Assembler.X86;
using Indy.IL2CPU.Assembler;
namespace Indy.IL2CPU.IL.X86 {
[OpCode(OpCodeEnum.Ldloca)]
public class Ldloca: Op {
private string mAddress;
private bool mIsReferenceTypeField;
protected void SetLocalIndex(int aIndex, MethodInformation aMethodInfo) {
mAddress = aMethodInfo.Locals[aIndex].VirtualAddresses.LastOrDefault();
}
public Ldloca(ILReader aReader, MethodInformation aMethodInfo)
: base(aReader, aMethodInfo) {
SetLocalIndex(aReader.OperandValueInt32, aMethodInfo);
// return;
//}
//VariableDefinition xVarDef = aReader.Operand as VariableDefinition;
//if (xVarDef != null) {
// mIsReferenceTypeField = xVarDef.VariableType.IsClass;
// SetLocalIndex(xVarDef.Index, aMethodInfo);
//}
}
public string Address {
get {
return mAddress;
}
}
public sealed override void DoAssemble() {
string[] xAddressParts = mAddress.Split('-');
new CPUx86.Move(CPUx86.Registers.EDX, CPUx86.Registers.EBP);
new CPUx86.Sub(CPUx86.Registers.EDX, xAddressParts[1]);
new CPUx86.Push(CPUx86.Registers.EDX);
Assembler.StackContents.Push(new StackContent(4, true, false, false));
}
}
}