Cosmos/source/Indy.IL2CPU.IL.X86/X86OpCodeMap.cs

279 lines
10 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using CPU = Indy.IL2CPU.Assembler;
using CPUx86 = Indy.IL2CPU.Assembler.X86;
using Indy.IL2CPU.Assembler;
using Indy.IL2CPU.IL.X86.CustomImplementations.System;
namespace Indy.IL2CPU.IL.X86
{
public class X86OpCodeMap : OpCodeMap
{
protected override Type GetMethodHeaderOp()
{
return typeof(X86MethodHeaderOp);
}
protected override Type GetMethodFooterOp()
{
return typeof(X86MethodFooterOp);
}
protected override Type GetInitVmtImplementationOp()
{
return typeof(X86InitVmtImplementationOp);
}
protected override Assembly ImplementationAssembly
{
get
{
return typeof(X86OpCodeMap).Assembly;
}
}
protected override Type GetMainEntryPointOp()
{
return typeof(X86MainEntryPointOp);
}
protected override Type GetPInvokeMethodBodyOp()
{
return typeof(X86PInvokeMethodBodyOp);
}
protected override Type GetCustomMethodImplementationProxyOp()
{
return typeof(X86CustomMethodImplementationProxyOp);
}
protected override Type GetCustomMethodImplementationOp()
{
return null;
}
public override IList<Assembly> GetPlugAssemblies()
{
IList<Assembly> xResult = base.GetPlugAssemblies();
xResult.Add(typeof(X86OpCodeMap).Assembly);
return xResult;
}
public override bool HasCustomAssembleImplementation(MethodInformation aMethodInfo, bool aInMetalMode)
{
switch (aMethodInfo.LabelName)
{
case "System_Object__System_Threading_Interlocked_CompareExchange_System_Object___System_Object__System_Object_":
{
return true;
}
case "System_Int32__System_Threading_Interlocked_CompareExchange_System_Int32___System_Int32__System_Int32_":
{
return true;
}
case "System_String___System_String_FastAllocateString___System_Int32___":
{
return true;
}
case "System_Void___System_EventHandler_Invoke___System_Object__System_EventArgs___":
{
return true;
}
case "System_IntPtr___System_Delegate_GetInvokeMethod____":
{
return true;
}
case "System_IntPtr__System_Delegate_GetMulticastInvoke__":
{
return true;
}
case "System_MulticastDelegate___System_Delegate_InternalAllocLike___System_Delegate___":
{
return true;
}
default:
{
// we need special treatment for delegate constructors, which have an Object,IntPtr param list
if (ObjectUtilities.IsDelegate(aMethodInfo.Method.DeclaringType))
{
if (aMethodInfo.LabelName.EndsWith("__ctor_System_Object__System_IntPtr_"))
{
return true;
}
if (aMethodInfo.Method.Name == "Invoke")
{
return true;
}
}
return base.HasCustomAssembleImplementation(aMethodInfo, aInMetalMode);
}
}
}
private static readonly MethodBase InvokeMulticastRef = typeof(MulticastDelegateImpl).GetMethod("InvokeMulticast", BindingFlags.Public | BindingFlags.Static);
public override void ScanCustomAssembleImplementation(MethodInformation aMethod, bool aInMetalMode)
{
base.ScanCustomAssembleImplementation(aMethod, aInMetalMode);
if (ObjectUtilities.IsDelegate(aMethod.Method.DeclaringType))
{
if (aMethod.LabelName.EndsWith("__ctor_System_Object__System_IntPtr_"))
{
//for (int i = 0; i < aMethodInfo.Arguments.Length; i++) {
// Op.Ldarg(aAssembler, aMethodInfo.Arguments[i]);
//}
//new Call(CustomImplementations.System.EventHandlerImplRefs.CtorRef) {
// Assembler = aAssembler
//}.Assemble();
Engine.QueueMethod(CustomImplementations.System.EventHandlerImplRefs.CtorRef);
Engine.QueueMethod(aMethod.TypeInfo.TypeDef.GetMethod("Invoke"));
return;
}
if (aMethod.Method.Name == "Invoke")
{
Engine.QueueMethod(InvokeMulticastRef);
Engine.QueueMethod(typeof(MulticastDelegate).GetMethod("GetInvocationList"));
Engine.QueueMethod(typeof(Delegate).GetMethod("GetInvocationList"));
return;
}
}
}
public override void DoCustomAssembleImplementation(bool aInMetalMode, Indy.IL2CPU.Assembler.Assembler aAssembler, MethodInformation aMethodInfo)
{
switch (aMethodInfo.LabelName)
{
case "System_Object__System_Threading_Interlocked_CompareExchange_System_Object___System_Object__System_Object_":
{
Assemble_System_Threading_Interlocked_CompareExchange__Object(aAssembler, aMethodInfo);
break;
}
case "System_Int32__System_Threading_Interlocked_CompareExchange_System_Int32___System_Int32__System_Int32_":
{
Assemble_System_Threading_Interlocked_CompareExchange__Object(aAssembler, aMethodInfo);
break;
}
case "System_IntPtr__System_Delegate_GetMulticastInvoke__":
{
//IL.X86.Op.Ldarg(aAssembler, aMethodInfo.Arguments[0]);
Engine.QueueMethod(InvokeMulticastRef);
new CPUx86.Push(Label.GenerateLabelName(InvokeMulticastRef));
break;
}
case "System_MulticastDelegate___System_Delegate_InternalAllocLike___System_Delegate___":
{
break;
}
default:
if (ObjectUtilities.IsDelegate(aMethodInfo.Method.DeclaringType))
{
if (aMethodInfo.LabelName.EndsWith("__ctor_System_Object__System_IntPtr_"))
{
//for (int i = 0; i < aMethodInfo.Arguments.Length; i++) {
// Op.Ldarg(aAssembler, aMethodInfo.Arguments[i]);
//}
//new Call(CustomImplementations.System.EventHandlerImplRefs.CtorRef) {
// Assembler = aAssembler
//}.Assemble();
var xOp = new X86CustomMethodImplementationProxyOp(null, aMethodInfo);
xOp.Assembler = aAssembler;
xOp.ProxiedMethod = CustomImplementations.System.EventHandlerImplRefs.CtorRef;
xOp.Assemble();
Ldarg.Ldarg(aAssembler, aMethodInfo.Arguments[0]);
//
var xInvokeMethod = aMethodInfo.TypeInfo.TypeDef.GetMethod("Invoke");
var xDelegateMethodInfo = Engine.GetMethodInfo(xInvokeMethod, xInvokeMethod, xInvokeMethod.Name, aMethodInfo.TypeInfo, aMethodInfo.DebugMode);
int xArgSize = (from item in xDelegateMethodInfo.Arguments
select item.Size + (item.Size % 4 == 0
? 0
: (4 - (item.Size % 4)))).Take(xDelegateMethodInfo.Arguments.Length).Sum();
new CPUx86.Push((xArgSize - 4).ToString());
new CPU.Label(".SetArgSize");
aAssembler.StackContents.Push(new StackContent(4));
Stfld.Stfld(aAssembler, aMethodInfo.TypeInfo, aMethodInfo.TypeInfo.Fields["$$ArgSize$$"]);
if (xDelegateMethodInfo.ReturnType != typeof(void))
{
Ldarg.Ldarg(aAssembler, aMethodInfo.Arguments[0]);
new CPUx86.Pushd("1");
aAssembler.StackContents.Push(new StackContent(4));
Stfld.Stfld(aAssembler, aMethodInfo.TypeInfo, aMethodInfo.TypeInfo.Fields["$$ReturnsValue$$"]);
}
break;
}
if (aMethodInfo.Method.Name == "Invoke")
{
// param 0 is instance of eventhandler
// param 1 is sender
// param 2 is eventargs
new Label(".LoadTargetObject");
Ldarg.Ldarg(aAssembler, aMethodInfo.Arguments[0]);
//Ldarg.Ldfld(aAssembler, aMethodInfo.TypeInfo, "System.Object System.Delegate._target");
//new Label(".LoadMethodParams");
//for (int i = 1; i < aMethodInfo.Arguments.Length; i++) {
// Ldarg.Ldarg(aAssembler, aMethodInfo.Arguments[i]);
//}
//new Label(".LoadMethodPointer");
//Ldarg.Ldarg(aAssembler, aMethodInfo.Arguments[0]);
//Ldarg.Ldfld(aAssembler, aMethodInfo.TypeInfo, "System.IntPtr System.Delegate._methodPtr");
//new CPUx86.Pop("eax");
//new CPUx86.Call(CPUx86.Registers.EAX);
//new CPUx86.Add("esp",
// "4");
Engine.QueueMethod(InvokeMulticastRef);
new CPUx86.Call(Label.GenerateLabelName(InvokeMulticastRef));
var xGetInvocationListMethod = typeof(MulticastDelegate).GetMethod("GetInvocationList");
Engine.QueueMethod(xGetInvocationListMethod);
xGetInvocationListMethod = typeof(Delegate).GetMethod("GetInvocationList");
Engine.QueueMethod(xGetInvocationListMethod);
// new CPUx86.Pop(CPUx86.Registers.EAX);
//new CPUx86.Move("esp", "ebp");
break;
}
}
base.DoCustomAssembleImplementation(aInMetalMode, aAssembler, aMethodInfo);
break;
}
}
private static void Assemble_System_Threading_Interlocked_CompareExchange__Object(Assembler.Assembler aAssembler, MethodInformation aMethodInfo)
{
//arguments:
// 0: location
// 1: value
// 2: comparand
Ldarg.Ldarg(aAssembler, aMethodInfo.Arguments[2]);
new CPUx86.Pop(CPUx86.Registers.EAX);
Ldarg.Ldarg(aAssembler, aMethodInfo.Arguments[1]);
new CPUx86.Pop(CPUx86.Registers.EDX);
Ldarg.Ldarg(aAssembler, aMethodInfo.Arguments[0]);
new CPUx86.Pop(CPUx86.Registers.ECX);
new CPUx86.Pushd(CPUx86.Registers.AtECX);
new CPUx86.Pop(CPUx86.Registers.ECX);
new CPUx86.CmpXchg(CPUx86.Registers.ECX, CPUx86.Registers.EDX);
Ldarg.Ldarg(aAssembler, aMethodInfo.Arguments[0]);
new CPUx86.Pop(CPUx86.Registers.EAX);
new CPUx86.Move(CPUx86.Registers.EAX, CPUx86.Registers.ECX);
new CPUx86.Pushd(CPUx86.Registers.EAX);
}
public override void EmitOpDebugHeader(Indy.IL2CPU.Assembler.Assembler aAssembler, uint aOpId, string aOpLabel)
{
new CPUx86.Call("DebugPoint__");
}
public override void PreProcess(Indy.IL2CPU.Assembler.Assembler mAssembler)
{
base.PreProcess(mAssembler);
RegisterAllUtilityMethods(Engine.QueueMethod);
Engine.QueueMethod(EventHandlerImplRefs.CtorRef);
Engine.QueueMethod(InvokeMulticastRef);
var xGetInvocationListMethod = typeof(MulticastDelegate).GetMethod("GetInvocationList");
Engine.QueueMethod(xGetInvocationListMethod);
xGetInvocationListMethod = typeof(Delegate).GetMethod("GetInvocationList");
Engine.QueueMethod(xGetInvocationListMethod);
}
}
}