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* [third_party/ScubaDiver] Handle bootstrapper unloading in DLL entrypoint * [third_party/ScubaDiver] Migrate ClrMD methods to SnapshotService class * [MTGOSDK/Core/Remoting/Interop] Move ParseType method to TypeDump class * [MTGOSDK/Core/Reflection] Migrate ClrMD snapshot runtime * [third_party/ScubaDiver] Fix deadlock starting diver host * [MTGOSDK/Resources] Migrate Bootstrapper Move Bootstrapper class to resources namespace, removing conditional namespace imports for `MTGOSDK.Core`.
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34 changes: 34 additions & 0 deletions
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MTGOSDK.Win32/src/API/Kernel32/ProcessShapshot/PssFreeSnapshot.cs
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| Original file line number | Diff line number | Diff line change |
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| /** @file | ||
| Copyright (c) 2024, Cory Bennett. All rights reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| **/ | ||
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| using System; | ||
| using System.Runtime.InteropServices; | ||
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| namespace MTGOSDK.Win32.API; | ||
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| public static partial class Kernel32 | ||
| { | ||
| /// <summary> | ||
| /// Frees a snapshot of the address space of a process. | ||
| /// </summary> | ||
| [DllImport("kernel32")] // SetLastError=true ? | ||
| public static extern int PssFreeSnapshot( | ||
| /// <summary> | ||
| /// A handle to the process that contains the snapshot. | ||
| /// </summary> | ||
| /// <remarks> | ||
| /// The handle must have the PROCESS_VM_READ, PROCESS_VM_OPERATION, | ||
| /// and PROCESS_DUP_HANDLE rights. If the snapshot was captured from the | ||
| /// current process, or duplicated into the current process, then pass in | ||
| /// the result of <see cref="GetCurrentProcess"/>. | ||
| /// </remarks> | ||
| [In] IntPtr ProcessHandle, | ||
| /// <summary> | ||
| /// A handle to the snapshot to be freed. | ||
| /// </summary> | ||
| [In] IntPtr SnapshotHandle | ||
| ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| /** @file | ||
| Copyright (c) 2021, Xappy. | ||
| Copyright (c) 2024, Cory Bennett. All rights reserved. | ||
| SPDX-License-Identifier: Apache-2.0 and MIT | ||
| **/ | ||
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| using System; | ||
| using System.Reflection.Emit; | ||
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| using MTGOSDK.Core.Remoting.Interop.Extensions; | ||
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| namespace MTGOSDK.Core.Reflection.Emit; | ||
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| /// <summary> | ||
| /// A class that converts an IntPtr to an object reference. | ||
| /// </summary> | ||
| public class Converter<T> | ||
| { | ||
| /// <summary> | ||
| /// The delegate that converts an IntPtr to an object reference. | ||
| /// </summary> | ||
| delegate U Void2ObjectConverter<U>(IntPtr pManagedObject); | ||
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| /// <summary> | ||
| /// The converter instance that converts an IntPtr to an object reference. | ||
| /// </summary> | ||
| private static Void2ObjectConverter<T> myConverter; | ||
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| static Converter() | ||
| { | ||
| // | ||
| // The type initializer is run every time the converter is instantiated | ||
| // using a different generic argument. | ||
| // | ||
| GenerateDynamicMethod(); | ||
| } | ||
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| /// <summary> | ||
| /// Generates a dynamic method that converts an IntPtr to an object reference. | ||
| /// </summary> | ||
| /// <remarks> | ||
| /// The dynamic method trick is discussed originally by Alois Kraus here: | ||
| /// https://social.microsoft.com/Forums/windows/en-US/06ac44b0-30d8-44a1-86a4-1716dc431c62/how-to-convert-an-intptr-to-an-object-in-c?forum=clr | ||
| /// </remarks> | ||
| static void GenerateDynamicMethod() | ||
| { | ||
| if (myConverter == null) | ||
| { | ||
| DynamicMethod method = new("ConvertPtrToObjReference", | ||
| typeof(T), | ||
| new Type[] { typeof(IntPtr) }, | ||
| typeof(IntPtr), | ||
| true); | ||
| var gen = method.GetILGenerator(); | ||
| // Load first argument | ||
| gen.Emit(OpCodes.Ldarg_0); | ||
| // Return it directly. The Clr will take care of the cast! | ||
| // This construct is unverifiable so we need to plug this into an assembly | ||
| // with IL Verification disabled. | ||
| gen.Emit(OpCodes.Ret); | ||
| myConverter = (Void2ObjectConverter<T>)method | ||
| .CreateDelegate(typeof(Void2ObjectConverter<T>)); | ||
| } | ||
| } | ||
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| /// <summary> | ||
| /// Handles the conversion of an IntPtr to an object reference. | ||
| /// </summary> | ||
| /// <param name="pObj">The IntPtr to convert.</param> | ||
| /// <param name="expectedMethodTable">The expected method table of the object.</param> | ||
| /// <returns>The object reference.</returns> | ||
| /// <exception cref="ArgumentException"> | ||
| /// Thrown when the actual method table value is not as expected. | ||
| /// </exception> | ||
| /// <remarks> | ||
| /// This methods reads the method table of the object to make sure we aren't | ||
| /// mistakenly pointing at another type by now (could be caused by the GC). | ||
| /// </remarks> | ||
| public T ConvertFromIntPtr(IntPtr pObj, IntPtr expectedMethodTable) | ||
| { | ||
| IntPtr actualMethodTable = pObj.GetMethodTable(); | ||
| if (actualMethodTable != expectedMethodTable) | ||
| { | ||
| throw new ArgumentException("Actual Method Table value was not as expected"); | ||
| } | ||
| return myConverter(pObj); | ||
| } | ||
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| /// <summary> | ||
| /// Handles the conversion of an IntPtr to an object reference. | ||
| /// </summary> | ||
| /// <param name="pObj">The IntPtr to convert.</param> | ||
| /// <param name="expectedMethodTable">The expected method table of the object.</param> | ||
| /// <returns>The object reference.</returns> | ||
| /// <exception cref="ArgumentException"> | ||
| /// Thrown when the actual method table value is not as expected. | ||
| /// </exception> | ||
| /// <remarks> | ||
| /// This methods reads the method table of the object to make sure we aren't | ||
| /// mistakenly pointing at another type by now (could be caused by the GC). | ||
| /// </remarks> | ||
| public T ConvertFromIntPtr(ulong pObj, ulong expectedMethodTable) => | ||
| ConvertFromIntPtr( | ||
| new IntPtr((long) pObj), | ||
| new IntPtr((long) expectedMethodTable)); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| /** @file | ||
| Copyright (c) 2024, Cory Bennett. All rights reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| **/ | ||
|
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| using System; | ||
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| namespace MTGOSDK.Core.Reflection; | ||
|
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| /// <summary> | ||
| /// Wraps a generic method to be used as an event handler for subscription. | ||
| /// </summary> | ||
| /// <typeparam name="T">The type of the event arguments.</typeparam> | ||
| /// <param name="handler">The method to be wrapped.</param> | ||
| public class EventWrapper<T>(EventHandler handler) where T : EventArgs | ||
| { | ||
| /// <summary> | ||
| /// The handler method to be invoked when the event is raised. | ||
| /// </summary> | ||
| public void Handle(object sender, T args) | ||
| { | ||
| handler.Invoke(sender, args); | ||
| } | ||
| } |
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