Cosmos/source/Compiler/Indy.IL2CPU.X86.Plugs/NEW_PLUGS/InvokeImplAssembler.cs
mterwoord_cp 3bd7192d1c
2009-10-02 14:28:22 +00:00

192 lines
12 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using Indy.IL2CPU.IL;
using Indy.IL2CPU.Plugs;
using CPUx86 = Cosmos.IL2CPU.X86;
using Cosmos.IL2CPU.X86.IL;
using CPU = Cosmos.IL2CPU;
using MethodBase = System.Reflection.MethodBase;
using Cosmos.IL2CPU;
using CosmosAssembler = Cosmos.IL2CPU.X86.CosmosAssembler;
namespace Indy.IL2CPU.X86.Plugs.NEW_PLUGS {
public class InvokeImplAssembler: AssemblerMethod {
public override void Assemble(Indy.IL2CPU.Assembler.Assembler aAssembler) {
throw new NotImplementedException();
}
private uint GetArgumentStartOffset(MethodBase aMethod, int aArgument) {
return 0;
}
public override void AssembleNew(object aAssembler, object aMethodInfo) {
new CPUx86.Xchg { DestinationReg = CPUx86.Registers.BX, SourceReg = CPUx86.Registers.BX, Size = 16 };
new CPUx86.Noop();
// var xAssembler = (CosmosAssembler)aAssembler;
// var xMethodInfo = (Cosmos.IL2CPU.MethodInfo) aMethodInfo;
// var xMethodBaseAsInfo= xMethodInfo.MethodBase as global::System.Reflection.MethodInfo;
// if(xMethodBaseAsInfo.ReturnType!=typeof(void)){
// throw new Exception("Events with return type not yet supported!");
// }
// new Comment("XXXXXXX");
// //new CPUx86.Halt();
// // param 0 is instance of eventhandler
// // param 1 is sender
// // param 2 is eventargs
// //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_Old.EAX);
// //new CPUx86.Add("esp",
// // "4");
// /*
// * EAX contains the GetInvocationList() array at the index at which it was last used
// * EDX contains the index at which the EAX is
// * EBX contains the number of items in the array
// * ECX contains the argument size
// */
// //new CPU.Label("____DEBUG_FOR_MULTICAST___");
// // new CPUx86.Cli();//DEBUG ONLY
// //#warning reenable interupts when issue is fixed!!!
// new CPU.Comment("push address of delgate to stack");
// Ldarg.DoExecute(xAssembler, xMethodInfo, 0);
// var xGetInvocationListMethod = typeof(MulticastDelegate).GetMethod("GetInvocationList");
// new CPUx86.Call { DestinationLabel = CPU.MethodInfoLabelGenerator.GenerateLabelName(xGetInvocationListMethod) };
// new CPU.Comment("get address from return value -> eax");
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
// ;//list
// new CPU.Comment("eax+=8 is where the offset where an array's count is");
// new CPUx86.Add { DestinationReg = CPUx86.Registers.EAX, SourceValue = 8 };//addrof list.count??
// new CPU.Comment("store count in ebx");
// new CPUx86.Move { DestinationReg = CPUx86.Registers.EBX, SourceReg = CPUx86.Registers.EAX, SourceIsIndirect = true };//list.count
// new CPU.Comment("eax+=8 is where the offset where an array's items start");
// new CPUx86.Add { DestinationReg = CPUx86.Registers.EAX, SourceValue = 8 };//why? -- start of list i think? MtW: the array's .Length is at +8
// new CPUx86.Move { DestinationReg = CPUx86.Registers.EDI, SourceValue = 0 };
// new CPU.Comment("ecx = ptr to delegate object");
// Ldarg.DoExecute(xAssembler, xMethodInfo, 0);
// // make ecx point to the size of arguments
// Ldarg.DoExecute(xAssembler, xMethodInfo, 0);
// Ldfld.DoExecute(xAssembler, xMethodInfo.MethodBase.DeclaringType, "$$ArgSize$$");
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.ECX };
// new CPU.Comment("ecx points to the size of the delegated methods arguments");
// new CPUx86.Xor { DestinationReg = CPUx86.Registers.EDX, SourceReg = CPUx86.Registers.EDX };
// ;//make sure edx is 0
// new CPU.Label(".BEGIN_OF_LOOP");
// new CPUx86.Compare { DestinationReg = CPUx86.Registers.EDX, SourceReg = CPUx86.Registers.EBX };//are we at the end of this list
// new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.Equal, DestinationLabel = ".END_OF_INVOKE_" };//then we better stop
// //new CPUx86.Compare("edx", 0);
// //new CPUx86.JumpIfLessOrEqual(".noreturnYet");
// //new CPUx86.Add("esp", 4);
// //new CPU.Label(".noreturnYet");
// //new CPU.Comment("space for the return value");
// //new CPUx86.Pushd("0");
// new CPUx86.Pushad();
// new CPU.Comment("esi points to where we will copy the methods arguments from");
// new CPUx86.Move { DestinationReg = CPUx86.Registers.ESI, SourceReg = CPUx86.Registers.ESP };
// new CPU.Comment("edi = ptr to delegate object");
// Ldarg.DoExecute(xAssembler, xMethodInfo, 0);
// Ldfld.DoExecute(xAssembler, xMethodInfo.MethodBase.DeclaringType, "System.Object System.Delegate._target");
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EDI };
// new CPUx86.Compare { DestinationReg = CPUx86.Registers.EDI, SourceValue = 0 };
// new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.Zero, DestinationLabel = ".NO_THIS" };
// new CPUx86.Push { DestinationReg = CPUx86.Registers.EDI };
// new CPU.Label(".NO_THIS");
// new CPU.Comment("make space for us to copy the arguments too");
// new CPUx86.Sub { DestinationReg = CPUx86.Registers.ESP, SourceReg = CPUx86.Registers.ECX };
// new CPU.Comment("move the current delegate to edi");
// new CPUx86.Move { DestinationReg = CPUx86.Registers.EDI, SourceReg = CPUx86.Registers.EAX, SourceIsIndirect = true };
// new CPU.Comment("move the methodptr from that delegate to the stack ");
// Ldarg.DoExecute(xAssembler, xMethodInfo, 0);
// Ldfld.DoExecute(xAssembler, xMethodInfo.MethodBase.DeclaringType, "System.IntPtr System.Delegate._methodPtr");
// new CPUx86.Move { DestinationReg = CPUx86.Registers.EDI, SourceReg = CPUx86.Registers.ESP };
// new CPU.Comment("get above the saved methodptr");
// new CPUx86.Add { DestinationReg = CPUx86.Registers.EDI, SourceValue = 4 };
// //we allocated the argsize on the stack once, and it we need to get above the original args
// new CPU.Comment("we allocated argsize on the stack once");
// new CPU.Comment("add 32 for the Pushad + 16 for the current stack + 4 for the return value");
// new CPUx86.Add { DestinationReg = CPUx86.Registers.ESI, SourceValue = 52 };
// new CPUx86.Movs { Size = 8, Prefixes = CPUx86.InstructionPrefixes.Repeat };
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EDI };
// new CPUx86.Call { DestinationReg = CPUx86.Registers.EDI };
// new CPU.Comment("store return -- return stored into edi after popad");
// //new CPUx86.Move("edx", "[" + MethodInfo.Arguments[0].VirtualAddresses[0] + "]");//addrof the delegate
// //new CPUx86.Move("edx", "[edx+" + (MethodInfo.Arguments[0].TypeInfo.Fields["$$ReturnsValue$$"].Offset + 12) + "]");
// //new CPUx86.Compare(Registers_Old.EDX, 0);
// //new CPUx86.JumpIfEqual(".getReturn");
// //new CPUx86.Move(Registers_Old.EAX, "[esp]");
// //new CPUx86.Move("[esp+0x20]", Registers_Old.EAX);
// //new CPU.Label(".getReturn");
// Ldarg.DoExecute(xAssembler, xMethodInfo, 0);
// Ldfld.DoExecute(xAssembler, xMethodInfo.MethodBase.DeclaringType, "System.Object System.Delegate._target");
// // edi contains $this now
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EDI };
// //new CPUx86.Compare ("edi", "0");
// //new CPUx86.JumpIfEqual(".noTHIStoPop");
// //new CPUx86.Move("edx", "[" + MethodInfo.Arguments[0].VirtualAddresses[0] + "]");//addrof the delegate
// //new CPUx86.Move("edx", "[edx+" + (MethodInfo.Arguments[0].TypeInfo.Fields["$$ReturnsValue$$"].Offset + 12) + "]");
// //new CPUx86.Compare(Registers_Old.EDX, 0);
// //new JumpIfNotEqual(".needToPopThis");
// //new CPU.Comment("ecx = ptr to delegate object");
// //new CPUx86.Move("ecx", "[" + MethodInfo.Arguments[0].VirtualAddresses[0] + "]");//addrof the delegate
// //new CPU.Comment("ecx points to the size of the delegated methods arguments");
// //new CPUx86.Move("ecx", "[ecx + " + (MethodInfo.Arguments[0].TypeInfo.Fields["$$ArgSize$$"].Offset + 12) + "]");//the size of the arguments to the method? + 12??? -- 12 is the size of the current call stack.. i think
// //new CPUx86.Compare("ecx", "0");
// //new CPUx86.JumpIfLessOrEqual(".noTHIStoPop");
// //new CPU.Label(".needToPopThis");
// //new CPUx86.Pop("edi");
// //new CPUx86.Move("[esp]", "edi");
// new CPU.Label(".noTHIStoPop");
// new CPUx86.Popad();
// new CPUx86.Inc { DestinationReg = CPUx86.Registers.EDX };
// new CPUx86.Add { DestinationReg = CPUx86.Registers.EAX, SourceValue = 4 };
// new CPUx86.Jump { DestinationLabel = ".BEGIN_OF_LOOP" };
// new CPU.Label(".END_OF_INVOKE_");
// new CPU.Comment("get the return value");
// //new CPUx86.Pop("eax");
// //Ldarg.DoExecute(xAssembler, xMethodInfo, 0);
// //Ldfld.DoExecute(xAssembler, xMethodInfo.MethodBase.DeclaringType, "$$ReturnsValue$$");
// //new CPUx86.Pop { DestinationReg = CPUx86.Registers.EDX };
// //if(xMethodInfo.
// //new CPUx86.Compare { DestinationReg = CPUx86.Registers.EDX, SourceValue = 0 };
// //new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.Equal, DestinationLabel = ".noReturn" };
// ////may have to expand the return... idk
// //new CPUx86.Xchg { DestinationReg = CPUx86.Registers.EBP, DestinationIsIndirect = true, DestinationDisplacement = 8, SourceReg = CPUx86.Registers.EDX };
// //new CPUx86.Xchg { DestinationReg = CPUx86.Registers.EBP, DestinationIsIndirect = true, DestinationDisplacement = 4, SourceReg = CPUx86.Registers.EDX };
// //new CPUx86.Xchg { DestinationReg = CPUx86.Registers.EBP, DestinationIsIndirect = true, SourceReg = CPUx86.Registers.EDX };
// //new CPUx86.Push { DestinationReg = CPUx86.Registers.EDX };//ebp
// //new CPUx86.Move { DestinationReg = CPUx86.Registers.ESP, DestinationIsIndirect = true, DestinationDisplacement = 12, SourceReg = CPUx86.Registers.EDI };
// new CPU.Label(".noReturn");
// // new CPUx86.Sti();
// //#warning remove this ^ sti call when issue is fixed!!!
// //MethodInfo.Arguments[0].
// // new CPUx86.Move("ebx", "[eax + " + (MethodInfo.Arguments[0].TypeInfo.Fields["$$ArgSize$$"].Offset + 12) + "]");
// //new CPUx86.Move("eax", CPUx86.Registers_Old.
// //var xGetInvocationListMethod = typeof(MulticastDelegate).GetMethod("GetInvocationList");
// //xGetInvocationListMethod = typeof(Delegate).GetMethod("GetInvocationList");
// // new CPUx86.Pop(CPUx86.Registers_Old.EAX);
// //new CPUx86.Move("esp", "ebp");
// //new CPUx86.Push {
// // DestinationRef = ElementReference.New(LdStr.GetContentsArrayName("Events not yet implemented"))
// //};
// //new CPUx86.Call {
// // DestinationLabel = MethodInfoLabelGenerator.GenerateLabelName(typeof(ExceptionHelper).GetMethod("ThrowNotImplemented", BindingFlags.Static | BindingFlags.Public))
// //};
//// throw new NotImplementedException();
}
}
}