mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-21 13:28:41 +00:00
45 lines
2.5 KiB
C#
45 lines
2.5 KiB
C#
using System;
|
|
|
|
using Cosmos.Assembler;
|
|
using XSharp.Compiler;
|
|
using CPUx86 = Cosmos.Assembler.x86;
|
|
|
|
namespace Cosmos.IL2CPU.Plugs.System.Runtime.CompilerServices {
|
|
[Plug(Target = typeof(global::System.Runtime.CompilerServices.RuntimeHelpers))]
|
|
public static class RuntimeHelpersImpl {
|
|
|
|
public static void cctor() {
|
|
//TODO: do something
|
|
}
|
|
|
|
[Inline(TargetPlatform = TargetPlatform.x86)]
|
|
public static void InitializeArray(Array array, RuntimeFieldHandle fldHandle) {
|
|
// Arguments:
|
|
// Array aArray, RuntimeFieldHandle aFieldHandle
|
|
XS.Set(XSRegisters.OldToNewRegister(CPUx86.RegistersEnum.EDI), XSRegisters.OldToNewRegister(CPUx86.RegistersEnum.EBP), sourceDisplacement: 0xC); // array
|
|
XS.Set(XSRegisters.EDI, XSRegisters.EDI, sourceIsIndirect: true);
|
|
XS.Set(XSRegisters.OldToNewRegister(CPUx86.RegistersEnum.ESI), XSRegisters.OldToNewRegister(CPUx86.RegistersEnum.EBP), sourceDisplacement: 8);// aFieldHandle
|
|
XS.Add(XSRegisters.OldToNewRegister(CPUx86.RegistersEnum.EDI), 8);
|
|
new CPUx86.Push {DestinationReg = CPUx86.RegistersEnum.EDI, DestinationIsIndirect = true};
|
|
XS.Add(XSRegisters.OldToNewRegister(CPUx86.RegistersEnum.EDI), 4);
|
|
XS.Set(XSRegisters.EAX, XSRegisters.EDI, sourceIsIndirect: true);
|
|
new CPUx86.Multiply {DestinationReg = CPUx86.RegistersEnum.ESP, DestinationIsIndirect = true, Size = 32};
|
|
XS.Pop(XSRegisters.OldToNewRegister(CPUx86.RegistersEnum.ECX));
|
|
XS.Set(XSRegisters.OldToNewRegister(CPUx86.RegistersEnum.ECX), XSRegisters.OldToNewRegister(CPUx86.RegistersEnum.EAX));
|
|
XS.Set(XSRegisters.OldToNewRegister(CPUx86.RegistersEnum.EAX), 0);
|
|
XS.Add(XSRegisters.OldToNewRegister(CPUx86.RegistersEnum.EDI), 4);
|
|
|
|
XS.Label(".StartLoop");
|
|
XS.Set(XSRegisters.DL, XSRegisters.ESI, sourceIsIndirect: true);
|
|
new CPUx86.Mov { DestinationReg = CPUx86.RegistersEnum.EDI, DestinationIsIndirect = true, SourceReg = CPUx86.RegistersEnum.DL };
|
|
XS.Add(XSRegisters.OldToNewRegister(CPUx86.RegistersEnum.EAX), 1);
|
|
XS.Add(XSRegisters.OldToNewRegister(CPUx86.RegistersEnum.ESI), 1);
|
|
XS.Add(XSRegisters.OldToNewRegister(CPUx86.RegistersEnum.EDI), 1);
|
|
XS.Compare(XSRegisters.OldToNewRegister(CPUx86.RegistersEnum.EAX), XSRegisters.OldToNewRegister(CPUx86.RegistersEnum.ECX));
|
|
new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.Equal, DestinationLabel = ".EndLoop" };
|
|
XS.Jump(".StartLoop");
|
|
|
|
XS.Label(".EndLoop");
|
|
}
|
|
}
|
|
}
|