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Remove use of GetFunctionPointerForDelegate to get JIT cache function pointer (#4337)
* Remove use of GetFunctionPointerForDelegate to get JIT cache function pointer * Rename FuncPtr to FuncPointer
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@ -48,9 +48,21 @@ namespace ARMeilleure.CodeGen
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/// <returns>A delegate of type <typeparamref name="T"/> pointing to the mapped function</returns>
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/// <returns>A delegate of type <typeparamref name="T"/> pointing to the mapped function</returns>
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public T Map<T>()
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public T Map<T>()
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{
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{
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IntPtr codePtr = JitCache.Map(this);
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return MapWithPointer<T>(out _);
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}
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return Marshal.GetDelegateForFunctionPointer<T>(codePtr);
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/// <summary>
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/// Maps the <see cref="CompiledFunction"/> onto the <see cref="JitCache"/> and returns a delegate of type
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/// <typeparamref name="T"/> pointing to the mapped function.
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/// </summary>
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/// <typeparam name="T">Type of delegate</typeparam>
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/// <param name="codePointer">Pointer to the function code in memory</param>
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/// <returns>A delegate of type <typeparamref name="T"/> pointing to the mapped function</returns>
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public T MapWithPointer<T>(out IntPtr codePointer)
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{
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codePointer = JitCache.Map(this);
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return Marshal.GetDelegateForFunctionPointer<T>(codePointer);
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}
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}
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}
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}
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}
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}
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@ -191,7 +191,7 @@ namespace ARMeilleure.Instructions
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{
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{
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TranslatedFunction function = Context.Translator.GetOrTranslate(address, GetContext().ExecutionMode);
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TranslatedFunction function = Context.Translator.GetOrTranslate(address, GetContext().ExecutionMode);
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return (ulong)function.FuncPtr.ToInt64();
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return (ulong)function.FuncPointer.ToInt64();
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}
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}
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public static void InvalidateCacheLine(ulong address)
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public static void InvalidateCacheLine(ulong address)
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@ -745,9 +745,9 @@ namespace ARMeilleure.Translation.PTC
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bool highCq)
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bool highCq)
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{
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{
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var cFunc = new CompiledFunction(code, unwindInfo, RelocInfo.Empty);
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var cFunc = new CompiledFunction(code, unwindInfo, RelocInfo.Empty);
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var gFunc = cFunc.Map<GuestFunction>();
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var gFunc = cFunc.MapWithPointer<GuestFunction>(out IntPtr gFuncPointer);
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return new TranslatedFunction(gFunc, callCounter, guestSize, highCq);
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return new TranslatedFunction(gFunc, gFuncPointer, callCounter, guestSize, highCq);
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}
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}
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private void UpdateInfo(InfoEntry infoEntry)
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private void UpdateInfo(InfoEntry infoEntry)
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@ -1,6 +1,5 @@
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using ARMeilleure.Common;
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using ARMeilleure.Common;
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using System;
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using System;
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using System.Runtime.InteropServices;
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namespace ARMeilleure.Translation
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namespace ARMeilleure.Translation
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{
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{
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@ -8,18 +7,18 @@ namespace ARMeilleure.Translation
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{
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{
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private readonly GuestFunction _func; // Ensure that this delegate will not be garbage collected.
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private readonly GuestFunction _func; // Ensure that this delegate will not be garbage collected.
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public IntPtr FuncPointer { get; }
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public Counter<uint> CallCounter { get; }
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public Counter<uint> CallCounter { get; }
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public ulong GuestSize { get; }
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public ulong GuestSize { get; }
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public bool HighCq { get; }
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public bool HighCq { get; }
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public IntPtr FuncPtr { get; }
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public TranslatedFunction(GuestFunction func, Counter<uint> callCounter, ulong guestSize, bool highCq)
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public TranslatedFunction(GuestFunction func, IntPtr funcPointer, Counter<uint> callCounter, ulong guestSize, bool highCq)
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{
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{
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_func = func;
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_func = func;
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FuncPointer = funcPointer;
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CallCounter = callCounter;
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CallCounter = callCounter;
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GuestSize = guestSize;
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GuestSize = guestSize;
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HighCq = highCq;
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HighCq = highCq;
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FuncPtr = Marshal.GetFunctionPointerForDelegate(func);
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}
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}
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public ulong Execute(State.ExecutionContext context)
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public ulong Execute(State.ExecutionContext context)
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@ -211,7 +211,7 @@ namespace ARMeilleure.Translation
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if (oldFunc != func)
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if (oldFunc != func)
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{
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{
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JitCache.Unmap(func.FuncPtr);
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JitCache.Unmap(func.FuncPointer);
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func = oldFunc;
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func = oldFunc;
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}
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}
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@ -230,7 +230,7 @@ namespace ARMeilleure.Translation
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{
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{
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if (FunctionTable.IsValid(guestAddress) && (Optimizations.AllowLcqInFunctionTable || func.HighCq))
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if (FunctionTable.IsValid(guestAddress) && (Optimizations.AllowLcqInFunctionTable || func.HighCq))
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{
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{
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Volatile.Write(ref FunctionTable.GetValue(guestAddress), (ulong)func.FuncPtr);
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Volatile.Write(ref FunctionTable.GetValue(guestAddress), (ulong)func.FuncPointer);
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}
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}
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}
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}
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@ -292,11 +292,11 @@ namespace ARMeilleure.Translation
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_ptc.WriteCompiledFunction(address, funcSize, hash, highCq, compiledFunc);
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_ptc.WriteCompiledFunction(address, funcSize, hash, highCq, compiledFunc);
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}
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}
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GuestFunction func = compiledFunc.Map<GuestFunction>();
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GuestFunction func = compiledFunc.MapWithPointer<GuestFunction>(out IntPtr funcPointer);
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Allocators.ResetAll();
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Allocators.ResetAll();
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return new TranslatedFunction(func, counter, funcSize, highCq);
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return new TranslatedFunction(func, funcPointer, counter, funcSize, highCq);
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}
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}
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private void BackgroundTranslate()
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private void BackgroundTranslate()
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@ -537,7 +537,7 @@ namespace ARMeilleure.Translation
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foreach (var func in functions)
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foreach (var func in functions)
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{
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{
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JitCache.Unmap(func.FuncPtr);
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JitCache.Unmap(func.FuncPointer);
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func.CallCounter?.Dispose();
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func.CallCounter?.Dispose();
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}
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}
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@ -546,7 +546,7 @@ namespace ARMeilleure.Translation
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while (_oldFuncs.TryDequeue(out var kv))
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while (_oldFuncs.TryDequeue(out var kv))
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{
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{
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JitCache.Unmap(kv.Value.FuncPtr);
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JitCache.Unmap(kv.Value.FuncPointer);
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kv.Value.CallCounter?.Dispose();
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kv.Value.CallCounter?.Dispose();
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}
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}
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