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Remove use of GetFunctionPointerForDelegate to get JIT cache function pointer (#4337)

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* Remove use of GetFunctionPointerForDelegate to get JIT cache function pointer

* Rename FuncPtr to FuncPointer
This commit is contained in:
gdkchan 2023-01-23 19:37:53 -03:00 committed by GitHub
parent 2fd819613f
commit a1a4771ac1
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 26 additions and 15 deletions
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16
ARMeilleure/CodeGen/CompiledFunction.cs
View file

@ -48,9 +48,21 @@ namespace ARMeilleure.CodeGen
/// <returns>A delegate of type <typeparamref name="T"/> pointing to the mapped function</returns> /// <returns>A delegate of type <typeparamref name="T"/> pointing to the mapped function</returns>
public T Map<T>() public T Map<T>()
{ {
IntPtr codePtr = JitCache.Map(this); return MapWithPointer<T>(out _);
}
return Marshal.GetDelegateForFunctionPointer<T>(codePtr); /// <summary>
/// Maps the <see cref="CompiledFunction"/> onto the <see cref="JitCache"/> and returns a delegate of type
/// <typeparamref name="T"/> pointing to the mapped function.
/// </summary>
/// <typeparam name="T">Type of delegate</typeparam>
/// <param name="codePointer">Pointer to the function code in memory</param>
/// <returns>A delegate of type <typeparamref name="T"/> pointing to the mapped function</returns>
public T MapWithPointer<T>(out IntPtr codePointer)
{
codePointer = JitCache.Map(this);
return Marshal.GetDelegateForFunctionPointer<T>(codePointer);
} }
} }
} }

2
ARMeilleure/Instructions/NativeInterface.cs
View file

@ -191,7 +191,7 @@ namespace ARMeilleure.Instructions
{ {
TranslatedFunction function = Context.Translator.GetOrTranslate(address, GetContext().ExecutionMode); TranslatedFunction function = Context.Translator.GetOrTranslate(address, GetContext().ExecutionMode);
return (ulong)function.FuncPtr.ToInt64(); return (ulong)function.FuncPointer.ToInt64();
} }
public static void InvalidateCacheLine(ulong address) public static void InvalidateCacheLine(ulong address)

4
ARMeilleure/Translation/PTC/Ptc.cs
View file

@ -745,9 +745,9 @@ namespace ARMeilleure.Translation.PTC
bool highCq) bool highCq)
{ {
var cFunc = new CompiledFunction(code, unwindInfo, RelocInfo.Empty); var cFunc = new CompiledFunction(code, unwindInfo, RelocInfo.Empty);
var gFunc = cFunc.Map<GuestFunction>(); var gFunc = cFunc.MapWithPointer<GuestFunction>(out IntPtr gFuncPointer);
return new TranslatedFunction(gFunc, callCounter, guestSize, highCq); return new TranslatedFunction(gFunc, gFuncPointer, callCounter, guestSize, highCq);
} }
private void UpdateInfo(InfoEntry infoEntry) private void UpdateInfo(InfoEntry infoEntry)

7
ARMeilleure/Translation/TranslatedFunction.cs
View file

@ -1,6 +1,5 @@
using ARMeilleure.Common; using ARMeilleure.Common;
using System; using System;
using System.Runtime.InteropServices;
namespace ARMeilleure.Translation namespace ARMeilleure.Translation
{ {
@ -8,18 +7,18 @@ namespace ARMeilleure.Translation
{ {
private readonly GuestFunction _func; // Ensure that this delegate will not be garbage collected. private readonly GuestFunction _func; // Ensure that this delegate will not be garbage collected.
public IntPtr FuncPointer { get; }
public Counter<uint> CallCounter { get; } public Counter<uint> CallCounter { get; }
public ulong GuestSize { get; } public ulong GuestSize { get; }
public bool HighCq { get; } public bool HighCq { get; }
public IntPtr FuncPtr { get; }
public TranslatedFunction(GuestFunction func, Counter<uint> callCounter, ulong guestSize, bool highCq) public TranslatedFunction(GuestFunction func, IntPtr funcPointer, Counter<uint> callCounter, ulong guestSize, bool highCq)
{ {
_func = func; _func = func;
FuncPointer = funcPointer;
CallCounter = callCounter; CallCounter = callCounter;
GuestSize = guestSize; GuestSize = guestSize;
HighCq = highCq; HighCq = highCq;
FuncPtr = Marshal.GetFunctionPointerForDelegate(func);
} }
public ulong Execute(State.ExecutionContext context) public ulong Execute(State.ExecutionContext context)

12
ARMeilleure/Translation/Translator.cs
View file

@ -211,7 +211,7 @@ namespace ARMeilleure.Translation
if (oldFunc != func) if (oldFunc != func)
{ {
JitCache.Unmap(func.FuncPtr); JitCache.Unmap(func.FuncPointer);
func = oldFunc; func = oldFunc;
} }
@ -230,7 +230,7 @@ namespace ARMeilleure.Translation
{ {
if (FunctionTable.IsValid(guestAddress) && (Optimizations.AllowLcqInFunctionTable || func.HighCq)) if (FunctionTable.IsValid(guestAddress) && (Optimizations.AllowLcqInFunctionTable || func.HighCq))
{ {
Volatile.Write(ref FunctionTable.GetValue(guestAddress), (ulong)func.FuncPtr); Volatile.Write(ref FunctionTable.GetValue(guestAddress), (ulong)func.FuncPointer);
} }
} }
@ -292,11 +292,11 @@ namespace ARMeilleure.Translation
_ptc.WriteCompiledFunction(address, funcSize, hash, highCq, compiledFunc); _ptc.WriteCompiledFunction(address, funcSize, hash, highCq, compiledFunc);
} }
GuestFunction func = compiledFunc.Map<GuestFunction>(); GuestFunction func = compiledFunc.MapWithPointer<GuestFunction>(out IntPtr funcPointer);
Allocators.ResetAll(); Allocators.ResetAll();
return new TranslatedFunction(func, counter, funcSize, highCq); return new TranslatedFunction(func, funcPointer, counter, funcSize, highCq);
} }
private void BackgroundTranslate() private void BackgroundTranslate()
@ -537,7 +537,7 @@ namespace ARMeilleure.Translation
foreach (var func in functions) foreach (var func in functions)
{ {
JitCache.Unmap(func.FuncPtr); JitCache.Unmap(func.FuncPointer);
func.CallCounter?.Dispose(); func.CallCounter?.Dispose();
} }
@ -546,7 +546,7 @@ namespace ARMeilleure.Translation
while (_oldFuncs.TryDequeue(out var kv)) while (_oldFuncs.TryDequeue(out var kv))
{ {
JitCache.Unmap(kv.Value.FuncPtr); JitCache.Unmap(kv.Value.FuncPointer);
kv.Value.CallCounter?.Dispose(); kv.Value.CallCounter?.Dispose();
} }