Cosmos/source/Indy.IL2CPU/IL/x86/Starg.cs
mterwoord_cp 5928581f2f
2008-11-07 12:27:08 +00:00

29 lines
No EOL
992 B
C#

using System;
using CPUx86 = Indy.IL2CPU.Assembler.X86;
namespace Indy.IL2CPU.IL.X86 {
[OpCode(OpCodeEnum.Starg)]
public class Starg: Op {
private int[] mAddresses;
protected void SetArgIndex(int aIndex, MethodInformation aMethodInfo) {
mAddresses = aMethodInfo.Arguments[aIndex].VirtualAddresses;
}
public Starg(ILReader aReader, MethodInformation aMethodInfo)
: base(aReader, aMethodInfo) {
SetArgIndex(aReader.OperandValueInt32, aMethodInfo);
}
public override void DoAssemble() {
if (mAddresses == null || mAddresses.Length == 0) {
throw new Exception("No Address Specified!");
}
for (int i = (mAddresses.Length - 1); i >= 0; i -= 1) {
new CPUx86.Pop{DestinationReg=CPUx86.Registers.EAX};
new CPUx86.Move { DestinationReg = CPUx86.Registers.EBP, DestinationIsIndirect = true, DestinationDisplacement = mAddresses[i], SourceReg = CPUx86.Registers.EAX };
}
Assembler.StackContents.Pop();
}
}
}