Cosmos/source/Indy.IL2CPU/IL/x86/CustomImplementations/System.Runtime.CompilerServices/RuntimeHelpersImpl.cs
mterwoord_cp 824acc19fc
2008-11-07 18:39:24 +00:00

50 lines
No EOL
3 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using Indy.IL2CPU.Plugs;
namespace Indy.IL2CPU.IL.X86.CustomImplementations.System.Runtime.CompilerServices {
[Plug(Target = typeof(RuntimeHelpers))]
public static class RuntimeHelpersImpl {
[PlugMethod(Signature = "System_Void__System_Runtime_CompilerServices_RuntimeHelpers__cctor__")]
public static void CCtor() {
//todo: do something
}
[PlugMethod(Assembler = typeof(InitializeArrayAssembler))]
public static void InitializeArray(Array array, RuntimeFieldHandle fldHandle) {
}
}
public class InitializeArrayAssembler: AssemblerMethod {
public override void Assemble(Indy.IL2CPU.Assembler.Assembler aAssembler) {
// Arguments:
// Array aArray, RuntimeFieldHandle aFieldHandle
new Assembler.X86.Move { DestinationReg = Assembler.X86.Registers.EDI, SourceReg = Assembler.X86.Registers.EBP, SourceIsIndirect = true, SourceDisplacement = 0xC }; // array
new Assembler.X86.Move { DestinationReg = Assembler.X86.Registers.ESI, SourceReg = Assembler.X86.Registers.EBP, SourceIsIndirect = true, SourceDisplacement = 8 };// aFieldHandle
new Assembler.X86.Add { DestinationReg = Assembler.X86.Registers.EDI, SourceValue = 8 };
new Assembler.X86.Push{DestinationReg=Assembler.X86.Registers.EDI, DestinationIsIndirect=true};
new Assembler.X86.Add { DestinationReg = Assembler.X86.Registers.EDI, SourceValue = 4 };
new Assembler.X86.Move { DestinationReg = Assembler.X86.Registers.EAX, SourceReg = Assembler.X86.Registers.EDI, SourceIsIndirect = true };
new Assembler.X86.Multiply("dword [esp]");
new Assembler.X86.Pop { DestinationReg = Assembler.X86.Registers.ECX };
new Assembler.X86.Move { DestinationReg = Assembler.X86.Registers.ECX, SourceReg = Assembler.X86.Registers.EAX };
new Assembler.X86.Move { DestinationReg = Assembler.X86.Registers.EAX, SourceValue = 0 };
new Assembler.X86.Add { DestinationReg = Assembler.X86.Registers.EDI, SourceValue = 4 };
new Assembler.Label(".StartLoop");
new Assembler.X86.Move { DestinationReg = Assembler.X86.Registers.DL, SourceReg = Assembler.X86.Registers.ESI, SourceIsIndirect = true };
new Assembler.X86.Move { DestinationReg = Assembler.X86.Registers.EDI, DestinationIsIndirect = true, SourceReg = Assembler.X86.Registers.DL };
new Assembler.X86.Add{DestinationReg = Assembler.X86.Registers.EAX, SourceValue=1};
new Assembler.X86.Add { DestinationReg = Assembler.X86.Registers.ESI, SourceValue = 1 };
new Assembler.X86.Add { DestinationReg = Assembler.X86.Registers.EDI, SourceValue = 1 };
new Assembler.X86.Compare { DestinationReg = Assembler.X86.Registers.EAX, SourceReg = Assembler.X86.Registers.ECX };
new Assembler.X86.JumpIfEqual { DestinationLabel = ".EndLoop" };
new Assembler.X86.Jump { DestinationLabel = ".StartLoop" };
new Assembler.Label(".EndLoop");
}
}
}