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using ARMeilleure.IntermediateRepresentation;
using ARMeilleure.Translation;
using System;
using System.Runtime.InteropServices;
using static ARMeilleure.IntermediateRepresentation.Operand.Factory;
namespace ARMeilleure.Signal
{
public struct NativeWriteLoopState
{
public int Running;
public int Error;
}
public static class TestMethods
{
public delegate bool DebugPartialUnmap();
public delegate int DebugThreadLocalMapGetOrReserve(int threadId, int initialState);
public delegate void DebugNativeWriteLoop(IntPtr nativeWriteLoopPtr, IntPtr writePtr);
public static DebugPartialUnmap GenerateDebugPartialUnmap()
{
EmitterContext context = new();
var result = WindowsPartialUnmapHandler.EmitRetryFromAccessViolation(context);
context.Return(result);
// Compile and return the function.
ControlFlowGraph cfg = context.GetControlFlowGraph();
OperandType[] argTypes = new OperandType[] { OperandType.I64 };
return Compiler.Compile(cfg, argTypes, OperandType.I32, CompilerOptions.HighCq, RuntimeInformation.ProcessArchitecture).Map<DebugPartialUnmap>();
}
public static DebugThreadLocalMapGetOrReserve GenerateDebugThreadLocalMapGetOrReserve(IntPtr structPtr)
{
EmitterContext context = new();
var result = WindowsPartialUnmapHandler.EmitThreadLocalMapIntGetOrReserve(context, structPtr, context.LoadArgument(OperandType.I32, 0), context.LoadArgument(OperandType.I32, 1));
context.Return(result);
// Compile and return the function.
ControlFlowGraph cfg = context.GetControlFlowGraph();
OperandType[] argTypes = new OperandType[] { OperandType.I64 };
return Compiler.Compile(cfg, argTypes, OperandType.I32, CompilerOptions.HighCq, RuntimeInformation.ProcessArchitecture).Map<DebugThreadLocalMapGetOrReserve>();
}
public static DebugNativeWriteLoop GenerateDebugNativeWriteLoop()
{
EmitterContext context = new();
// Loop a write to the target address until "running" is false.
Operand structPtr = context.Copy(context.LoadArgument(OperandType.I64, 0));
Operand writePtr = context.Copy(context.LoadArgument(OperandType.I64, 1));
Operand loopLabel = Label();
context.MarkLabel(loopLabel);
context.Store(writePtr, Const(12345));
Operand running = context.Load(OperandType.I32, structPtr);
context.BranchIfTrue(loopLabel, running);
context.Return();
// Compile and return the function.
ControlFlowGraph cfg = context.GetControlFlowGraph();
OperandType[] argTypes = new OperandType[] { OperandType.I64 };
return Compiler.Compile(cfg, argTypes, OperandType.None, CompilerOptions.HighCq, RuntimeInformation.ProcessArchitecture).Map<DebugNativeWriteLoop>();
}
}
}
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