mirror of
https://github.com/danbulant/Cosmos
synced 2026-06-03 14:50:42 +00:00
185 lines
11 KiB
C#
185 lines
11 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using Indy.IL2CPU.IL;
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using Indy.IL2CPU.Plugs;
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using CPUx86 = Cosmos.IL2CPU.X86;
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using Cosmos.IL2CPU.X86.IL;
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using CPU = Cosmos.IL2CPU;
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using MethodBase = System.Reflection.MethodBase;
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using Cosmos.IL2CPU;
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using CosmosAssembler = Cosmos.IL2CPU.X86.CosmosAssembler;
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namespace Indy.IL2CPU.X86.Plugs.NEW_PLUGS {
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public class InvokeImplAssembler: AssemblerMethod {
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public override void Assemble(Indy.IL2CPU.Assembler.Assembler aAssembler) {
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throw new NotImplementedException();
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}
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private uint GetArgumentStartOffset(MethodBase aMethod, int aArgument) {
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return 0;
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}
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public override void AssembleNew(object aAssembler, object aMethodInfo) {
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var xAssembler = (CosmosAssembler)aAssembler;
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var xMethodInfo = (Cosmos.IL2CPU.MethodInfo) aMethodInfo;
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new Comment("XXXXXXX");
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// param 0 is instance of eventhandler
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// param 1 is sender
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// param 2 is eventargs
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//Ldarg.Ldfld(aAssembler, aMethodInfo.TypeInfo, "System.Object System.Delegate._target");
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//new Label(".LoadMethodParams");
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//for (int i = 1; i < aMethodInfo.Arguments.Length; i++) {
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// Ldarg.Ldarg(aAssembler, aMethodInfo.Arguments[i]);
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//}
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//new Label(".LoadMethodPointer");
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//Ldarg.Ldarg(aAssembler, aMethodInfo.Arguments[0]);
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//Ldarg.Ldfld(aAssembler, aMethodInfo.TypeInfo, "System.IntPtr System.Delegate._methodPtr");
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//new CPUx86.Pop("eax");
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//new CPUx86.Call(CPUx86.Registers_Old.EAX);
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//new CPUx86.Add("esp",
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// "4");
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/*
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* EAX contains the GetInvocationList() array at the index at which it was last used
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* EDX contains the index at which the EAX is
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* EBX contains the number of items in the array
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* ECX contains the argument size
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*/
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new CPU.Label("____DEBUG_FOR_MULTICAST___");
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// new CPUx86.Cli();//DEBUG ONLY
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//#warning reenable interupts when issue is fixed!!!
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new CPU.Comment("push address of delgate to stack");
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Ldarg.DoExecute(xAssembler, xMethodInfo, 0);
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var xGetInvocationListMethod = typeof(MulticastDelegate).GetMethod("GetInvocationList");
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new CPUx86.Call { DestinationLabel = CPU.MethodInfoLabelGenerator.GenerateLabelName(xGetInvocationListMethod) };
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new CPU.Comment("get address from return value -> eax");
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new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
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;//list
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new CPU.Comment("eax+=8 is where the offset where an array's count is");
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new CPUx86.Add { DestinationReg = CPUx86.Registers.EAX, SourceValue = 8 };//addrof list.count??
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new CPU.Comment("store count in ebx");
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new CPUx86.Move { DestinationReg = CPUx86.Registers.EBX, SourceReg = CPUx86.Registers.EAX, SourceIsIndirect = true };//list.count
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new CPU.Comment("eax+=8 is where the offset where an array's items start");
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new CPUx86.Add { DestinationReg = CPUx86.Registers.EAX, SourceValue = 8 };//why? -- start of list i think? MtW: the array's .Length is at +8
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new CPUx86.Move { DestinationReg = CPUx86.Registers.EDI, SourceValue = 0 };
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new CPU.Comment("ecx = ptr to delegate object");
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Ldarg.DoExecute(xAssembler, xMethodInfo, 0);
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new CPUx86.Pop { DestinationReg = CPUx86.Registers.ECX };
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// make ecx point to the size of arguments
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Ldarg.DoExecute(xAssembler, xMethodInfo, 0);
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Ldfld.DoExecute(xAssembler, xMethodInfo.MethodBase.DeclaringType, "$$ArgSize$$");
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new CPUx86.Pop { DestinationReg = CPUx86.Registers.ECX };
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new CPU.Comment("ecx points to the size of the delegated methods arguments");
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new CPUx86.Xor { DestinationReg = CPUx86.Registers.EDX, SourceReg = CPUx86.Registers.EDX };
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;//make sure edx is 0
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new CPU.Label(".BEGIN_OF_LOOP");
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new CPUx86.Compare { DestinationReg = CPUx86.Registers.EDX, SourceReg = CPUx86.Registers.EBX };//are we at the end of this list
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new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.Equal, DestinationLabel = ".END_OF_INVOKE_" };//then we better stop
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//new CPUx86.Compare("edx", 0);
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//new CPUx86.JumpIfLessOrEqual(".noreturnYet");
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//new CPUx86.Add("esp", 4);
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//new CPU.Label(".noreturnYet");
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//new CPU.Comment("space for the return value");
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//new CPUx86.Pushd("0");
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new CPUx86.Pushad();
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new CPU.Comment("esi points to where we will copy the methods arguments from");
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new CPUx86.Move { DestinationReg = CPUx86.Registers.ESI, SourceReg = CPUx86.Registers.ESP };
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new CPU.Comment("edi = ptr to delegate object");
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Ldarg.DoExecute(xAssembler, xMethodInfo, 0);
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Ldfld.DoExecute(xAssembler, xMethodInfo.MethodBase.DeclaringType, "System.Object System.Delegate._target");
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new CPUx86.Pop { DestinationReg = CPUx86.Registers.EDI };
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new CPUx86.Compare { DestinationReg = CPUx86.Registers.EDI, SourceValue = 0 };
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new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.Zero, DestinationLabel = ".NO_THIS" };
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new CPUx86.Push { DestinationReg = CPUx86.Registers.EDI };
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new CPU.Label(".NO_THIS");
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new CPU.Comment("make space for us to copy the arguments too");
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new CPUx86.Sub { DestinationReg = CPUx86.Registers.ESP, SourceReg = CPUx86.Registers.ECX };
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new CPU.Comment("move the current delegate to edi");
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new CPUx86.Move { DestinationReg = CPUx86.Registers.EDI, SourceReg = CPUx86.Registers.EAX, SourceIsIndirect = true };
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new CPU.Comment("move the methodptr from that delegate to the stack ");
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Ldarg.DoExecute(xAssembler, xMethodInfo, 0);
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Ldfld.DoExecute(xAssembler, xMethodInfo.MethodBase.DeclaringType, "System.IntPtr System.Delegate._methodPtr");
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new CPUx86.Move { DestinationReg = CPUx86.Registers.EDI, SourceReg = CPUx86.Registers.ESP };
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new CPU.Comment("get above the saved methodptr");
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new CPUx86.Add { DestinationReg = CPUx86.Registers.EDI, SourceValue = 4 };
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//we allocated the argsize on the stack once, and it we need to get above the original args
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new CPU.Comment("we allocated argsize on the stack once");
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new CPU.Comment("add 32 for the Pushad + 16 for the current stack + 4 for the return value");
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new CPUx86.Add { DestinationReg = CPUx86.Registers.ESI, SourceValue = 52 };
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new CPUx86.Movs { Size = 8, Prefixes = CPUx86.InstructionPrefixes.Repeat };
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new CPUx86.Pop { DestinationReg = CPUx86.Registers.EDI };
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new CPUx86.Call { DestinationReg = CPUx86.Registers.EDI };
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new CPU.Comment("store return -- return stored into edi after popad");
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//new CPUx86.Move("edx", "[" + MethodInfo.Arguments[0].VirtualAddresses[0] + "]");//addrof the delegate
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//new CPUx86.Move("edx", "[edx+" + (MethodInfo.Arguments[0].TypeInfo.Fields["$$ReturnsValue$$"].Offset + 12) + "]");
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//new CPUx86.Compare(Registers_Old.EDX, 0);
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//new CPUx86.JumpIfEqual(".getReturn");
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//new CPUx86.Move(Registers_Old.EAX, "[esp]");
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//new CPUx86.Move("[esp+0x20]", Registers_Old.EAX);
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//new CPU.Label(".getReturn");
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Ldarg.DoExecute(xAssembler, xMethodInfo, 0);
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Ldfld.DoExecute(xAssembler, xMethodInfo.MethodBase.DeclaringType, "System.Object System.Delegate._target");
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// edi contains $this now
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new CPUx86.Pop { DestinationReg = CPUx86.Registers.EDI };
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//new CPUx86.Compare ("edi", "0");
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//new CPUx86.JumpIfEqual(".noTHIStoPop");
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//new CPUx86.Move("edx", "[" + MethodInfo.Arguments[0].VirtualAddresses[0] + "]");//addrof the delegate
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//new CPUx86.Move("edx", "[edx+" + (MethodInfo.Arguments[0].TypeInfo.Fields["$$ReturnsValue$$"].Offset + 12) + "]");
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//new CPUx86.Compare(Registers_Old.EDX, 0);
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//new JumpIfNotEqual(".needToPopThis");
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//new CPU.Comment("ecx = ptr to delegate object");
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//new CPUx86.Move("ecx", "[" + MethodInfo.Arguments[0].VirtualAddresses[0] + "]");//addrof the delegate
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//new CPU.Comment("ecx points to the size of the delegated methods arguments");
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//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
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//new CPUx86.Compare("ecx", "0");
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//new CPUx86.JumpIfLessOrEqual(".noTHIStoPop");
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//new CPU.Label(".needToPopThis");
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//new CPUx86.Pop("edi");
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//new CPUx86.Move("[esp]", "edi");
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new CPU.Label(".noTHIStoPop");
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new CPUx86.Popad();
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new CPUx86.Inc { DestinationReg = CPUx86.Registers.EDX };
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new CPUx86.Add { DestinationReg = CPUx86.Registers.EAX, SourceValue = 4 };
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new CPUx86.Jump { DestinationLabel = ".BEGIN_OF_LOOP" };
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new CPU.Label(".END_OF_INVOKE_");
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new CPU.Comment("get the return value");
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//new CPUx86.Pop("eax");
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Ldarg.DoExecute(xAssembler, xMethodInfo, 0);
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Ldfld.DoExecute(xAssembler, xMethodInfo.MethodBase.DeclaringType, "$$ReturnsValue$$");
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new CPUx86.Pop { DestinationReg = CPUx86.Registers.EDX };
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new CPUx86.Compare { DestinationReg = CPUx86.Registers.EDX, SourceValue = 0 };
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new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.Equal, DestinationLabel = ".noReturn" };
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//may have to expand the return... idk
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new CPUx86.Xchg { DestinationReg = CPUx86.Registers.EBP, DestinationIsIndirect = true, DestinationDisplacement = 8, SourceReg = CPUx86.Registers.EDX };
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new CPUx86.Xchg { DestinationReg = CPUx86.Registers.EBP, DestinationIsIndirect = true, DestinationDisplacement = 4, SourceReg = CPUx86.Registers.EDX };
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new CPUx86.Xchg { DestinationReg = CPUx86.Registers.EBP, DestinationIsIndirect = true, SourceReg = CPUx86.Registers.EDX };
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new CPUx86.Push { DestinationReg = CPUx86.Registers.EDX };//ebp
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new CPUx86.Move { DestinationReg = CPUx86.Registers.ESP, DestinationIsIndirect = true, DestinationDisplacement = 12, SourceReg = CPUx86.Registers.EDI };
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new CPU.Label(".noReturn");
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// new CPUx86.Sti();
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//#warning remove this ^ sti call when issue is fixed!!!
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//MethodInfo.Arguments[0].
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// new CPUx86.Move("ebx", "[eax + " + (MethodInfo.Arguments[0].TypeInfo.Fields["$$ArgSize$$"].Offset + 12) + "]");
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//new CPUx86.Move("eax", CPUx86.Registers_Old.
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//var xGetInvocationListMethod = typeof(MulticastDelegate).GetMethod("GetInvocationList");
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//xGetInvocationListMethod = typeof(Delegate).GetMethod("GetInvocationList");
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// new CPUx86.Pop(CPUx86.Registers_Old.EAX);
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//new CPUx86.Move("esp", "ebp");
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//new CPUx86.Push {
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// DestinationRef = ElementReference.New(LdStr.GetContentsArrayName("Events not yet implemented"))
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//};
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//new CPUx86.Call {
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// DestinationLabel = MethodInfoLabelGenerator.GenerateLabelName(typeof(ExceptionHelper).GetMethod("ThrowNotImplemented", BindingFlags.Static | BindingFlags.Public))
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//};
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throw new NotImplementedException();
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}
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}
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}
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