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Protect against stack overflow caused by deep recursive calls

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* PPTC version bump

* Also reset call depth when not using the unmanaged dispatch loop

* Increment call depth on function start rather than before call
This commit is contained in:
gdkchan
2025-08-20 11:50:15 -05:00
committed by KeatonTheBot
parent e7d423cd07
commit aca897c70c
10 changed files with 83 additions and 11 deletions
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src/ARMeilleure/State/NativeContext.cs
+8
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@@ -21,6 +21,7 @@ namespace ARMeilleure.State
public ulong ExclusiveValueLow;
public ulong ExclusiveValueHigh;
public int Running;
public int CallDepth;
public long Tpidr2El0;
/// <summary>
@@ -197,6 +198,8 @@ namespace ARMeilleure.State
public bool GetRunning() => GetStorage().Running != 0;
public void SetRunning(bool value) => GetStorage().Running = value ? 1 : 0;
public void ResetCallDepth() => GetStorage().CallDepth = 0;
public unsafe static int GetRegisterOffset(Register reg)
{
if (reg.Type == RegisterType.Integer)
@@ -282,6 +285,11 @@ namespace ARMeilleure.State
return StorageOffset(ref _dummyStorage, ref _dummyStorage.DebugPrecisePc);
}
public static int GetCallDepthOffset()
{
return StorageOffset(ref _dummyStorage, ref _dummyStorage.CallDepth);
}
private static int StorageOffset<T>(ref NativeCtxStorage storage, ref T target)
{
return (int)Unsafe.ByteOffset(ref Unsafe.As<NativeCtxStorage, T>(ref storage), ref target);