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path: root/src/ARMeilleure/Signal/WindowsPartialUnmapHandler.cs
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Diffstat (limited to 'src/ARMeilleure/Signal/WindowsPartialUnmapHandler.cs')
-rw-r--r--src/ARMeilleure/Signal/WindowsPartialUnmapHandler.cs37
1 files changed, 23 insertions, 14 deletions
diff --git a/src/ARMeilleure/Signal/WindowsPartialUnmapHandler.cs b/src/ARMeilleure/Signal/WindowsPartialUnmapHandler.cs
index 27a9ea83..3bf6a449 100644
--- a/src/ARMeilleure/Signal/WindowsPartialUnmapHandler.cs
+++ b/src/ARMeilleure/Signal/WindowsPartialUnmapHandler.cs
@@ -2,7 +2,7 @@ using ARMeilleure.IntermediateRepresentation;
using ARMeilleure.Translation;
using Ryujinx.Common.Memory.PartialUnmaps;
using System;
-
+using System.Runtime.InteropServices;
using static ARMeilleure.IntermediateRepresentation.Operand.Factory;
namespace ARMeilleure.Signal
@@ -10,8 +10,28 @@ namespace ARMeilleure.Signal
/// <summary>
/// Methods to handle signals caused by partial unmaps. See the structs for C# implementations of the methods.
/// </summary>
- internal static class WindowsPartialUnmapHandler
+ internal static partial class WindowsPartialUnmapHandler
{
+ [LibraryImport("kernel32.dll", SetLastError = true, EntryPoint = "LoadLibraryA")]
+ private static partial IntPtr LoadLibrary([MarshalAs(UnmanagedType.LPStr)] string lpFileName);
+
+ [LibraryImport("kernel32.dll", SetLastError = true)]
+ private static partial IntPtr GetProcAddress(IntPtr hModule, [MarshalAs(UnmanagedType.LPStr)] string procName);
+
+ private static IntPtr _getCurrentThreadIdPtr;
+
+ public static IntPtr GetCurrentThreadIdFunc()
+ {
+ if (_getCurrentThreadIdPtr == IntPtr.Zero)
+ {
+ IntPtr handle = LoadLibrary("kernel32.dll");
+
+ _getCurrentThreadIdPtr = GetProcAddress(handle, "GetCurrentThreadId");
+ }
+
+ return _getCurrentThreadIdPtr;
+ }
+
public static Operand EmitRetryFromAccessViolation(EmitterContext context)
{
IntPtr partialRemapStatePtr = PartialUnmapState.GlobalState;
@@ -20,7 +40,7 @@ namespace ARMeilleure.Signal
// Get the lock first.
EmitNativeReaderLockAcquire(context, IntPtr.Add(partialRemapStatePtr, PartialUnmapState.PartialUnmapLockOffset));
- IntPtr getCurrentThreadId = WindowsSignalHandlerRegistration.GetCurrentThreadIdFunc();
+ IntPtr getCurrentThreadId = GetCurrentThreadIdFunc();
Operand threadId = context.Call(Const((ulong)getCurrentThreadId), OperandType.I32);
Operand threadIndex = EmitThreadLocalMapIntGetOrReserve(context, localCountsPtr, threadId, Const(0));
@@ -137,17 +157,6 @@ namespace ARMeilleure.Signal
return context.Add(structsPtr, context.SignExtend32(OperandType.I64, offset));
}
-#pragma warning disable IDE0051 // Remove unused private member
- private static void EmitThreadLocalMapIntRelease(EmitterContext context, IntPtr threadLocalMapPtr, Operand threadId, Operand index)
- {
- Operand offset = context.Multiply(index, Const(sizeof(int)));
- Operand idsPtr = Const((ulong)IntPtr.Add(threadLocalMapPtr, ThreadLocalMap<int>.ThreadIdsOffset));
- Operand idPtr = context.Add(idsPtr, context.SignExtend32(OperandType.I64, offset));
-
- context.CompareAndSwap(idPtr, threadId, Const(0));
- }
-#pragma warning restore IDE0051
-
private static void EmitAtomicAddI32(EmitterContext context, Operand ptr, Operand additive)
{
Operand loop = Label();