mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-29 20:30:44 +00:00
82 lines
2.8 KiB
C#
82 lines
2.8 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.Text;
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using Indy.IL2CPU.Assembler;
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using Mono.Cecil;
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using CPU = Indy.IL2CPU.Assembler;
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using CPUx86 = Indy.IL2CPU.Assembler.X86;
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namespace Indy.IL2CPU.IL.X86 {
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public class X86PInvokeMethodBodyOp: PInvokeMethodBodyOp {
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public X86PInvokeMethodBodyOp(MethodDefinition aTheMethod, MethodInformation aMethodInfo)
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: base(aTheMethod, aMethodInfo) {
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}
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private void MakeSureMethodIsRegistered(string aDllName, string aDllFileName, string aMethodName) {
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ImportMember xTheMember = null;
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foreach (ImportMember xMember in Assembler.ImportMembers) {
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if (xMember.Name == aDllName && xMember.FileName == aDllFileName) {
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xTheMember = xMember;
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foreach (ImportMethodMember xMethod in xMember.Methods) {
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if (xMethod.Name == aMethodName) {
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return;
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}
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}
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break;
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}
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}
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if (xTheMember == null) {
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xTheMember = new ImportMember(aDllName, aDllFileName);
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Assembler.ImportMembers.Add(xTheMember);
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}
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xTheMember.Methods.Add(new ImportMethodMember(aMethodName));
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}
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public override void DoAssemble() {
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string xDllFileName = TheMethod.PInvokeInfo.Module.Name;
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string xDllName = xDllFileName.Replace('.', '_');
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string xMethodName = TheMethod.PInvokeInfo.EntryPoint;
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if (String.IsNullOrEmpty(xMethodName)) {
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xMethodName = TheMethod.Name;
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}
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new Comment("PInvokeAttributes = '" + TheMethod.PInvokeInfo.Attributes.ToString("G") + "'");
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string xStringMethodSuffix = "W";
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if (!TheMethod.PInvokeInfo.IsNoMangle) {
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if (TheMethod.PInvokeInfo.IsCharSetUnicode) {
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xMethodName += xStringMethodSuffix;
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} else {
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if (TheMethod.PInvokeInfo.IsCharSetAnsi) {
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xMethodName += xStringMethodSuffix;
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} else {
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if (TheMethod.PInvokeInfo.IsCharSetAuto) {
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xMethodName += xStringMethodSuffix;
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}
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}
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}
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}
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// }
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if (String.IsNullOrEmpty(xDllName)) {
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throw new Exception("Unable to determine what dll to use!");
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}
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MakeSureMethodIsRegistered(xDllName, xDllFileName, xMethodName);
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for (int i = MethodInfo.Arguments.Length - 1; i >= 0; i--) {
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Op.Ldarg(Assembler, MethodInfo.Arguments[i]);
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if (TheMethod.Parameters[i].ParameterType.FullName == "System.String") {
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string xGetStorageMethodName = "GetStorage";
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new Call(Engine.GetMethodDefinition(Engine.GetTypeDefinition("", "Indy.IL2CPU.CustomImplementation.System.StringImpl"), xGetStorageMethodName, "System.UInt32")) {
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Assembler = Assembler
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}.Assemble();
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}
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}
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new CPUx86.Call("[" + xMethodName + "]");
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foreach(object xItem in MethodInfo.Arguments) {
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Assembler.StackSizes.Pop();
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}
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if (MethodInfo.ReturnSize > 0) {
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new CPUx86.Pushd(CPUx86.Registers.EAX);
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Assembler.StackSizes.Push(MethodInfo.ReturnSize);
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}
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}
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}
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}
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