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using System;
using System.Runtime.InteropServices;
using System.Threading;
namespace ARMeilleure.Translation
{
class TranslatedFunction
{
private const int MinCallsForRejit = 100;
private readonly GuestFunction _func; // Ensure that this delegate will not be garbage collected.
private int _callCount;
public ulong GuestSize { get; }
public bool HighCq { get; }
public IntPtr FuncPtr { get; }
public TranslatedFunction(GuestFunction func, ulong guestSize, bool highCq)
{
_func = func;
GuestSize = guestSize;
HighCq = highCq;
FuncPtr = Marshal.GetFunctionPointerForDelegate(func);
}
public ulong Execute(State.ExecutionContext context)
{
return _func(context.NativeContextPtr);
}
public bool ShouldRejit()
{
return !HighCq && Interlocked.Increment(ref _callCount) == MinCallsForRejit;
}
public void ResetCallCount()
{
Interlocked.Exchange(ref _callCount, 0);
}
}
}
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