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* Initial commit with a lot of testing stuff. * Partial Unmap Cleanup Part 1 * Fix some minor issues, hopefully windows tests. * Disable partial unmap tests on macos for now Weird issue. * Goodbye magic number * Add COMPlus_EnableAlternateStackCheck for tests `COMPlus_EnableAlternateStackCheck` is needed for NullReferenceException handling to work on linux after registering the signal handler, due to how dotnet registers its own signal handler. * Address some feedback * Force retry when memory is mapped in memory tracking This case existed before, but returning `false` no longer retries, so it would crash immediately after unprotecting the memory... Now, we return `true` to deliberately retry. This case existed before (was just broken by this change) and I don't really want to look into fixing the issue right now. Technically, this means that on guest code partial unmaps will retry _due to this_ rather than hitting the handler. I don't expect this to cause any issues. This should fix random crashes in Xenoblade Chronicles 2. * Use IsRangeMapped * Suppress MockMemoryManager.UnmapEvent warning This event is not signalled by the mock memory manager. * Remove 4kb mapping
85 lines
2.9 KiB
C#
85 lines
2.9 KiB
C#
using ARMeilleure.IntermediateRepresentation;
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using ARMeilleure.Translation;
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using System;
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using static ARMeilleure.IntermediateRepresentation.Operand.Factory;
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namespace ARMeilleure.Signal
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{
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public struct NativeWriteLoopState
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{
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public int Running;
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public int Error;
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}
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public static class TestMethods
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{
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public delegate bool DebugPartialUnmap();
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public delegate int DebugThreadLocalMapGetOrReserve(int threadId, int initialState);
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public delegate void DebugNativeWriteLoop(IntPtr nativeWriteLoopPtr, IntPtr writePtr);
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public static DebugPartialUnmap GenerateDebugPartialUnmap()
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{
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EmitterContext context = new EmitterContext();
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var result = WindowsPartialUnmapHandler.EmitRetryFromAccessViolation(context);
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context.Return(result);
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// Compile and return the function.
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ControlFlowGraph cfg = context.GetControlFlowGraph();
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OperandType[] argTypes = new OperandType[] { OperandType.I64 };
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return Compiler.Compile(cfg, argTypes, OperandType.I32, CompilerOptions.HighCq).Map<DebugPartialUnmap>();
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}
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public static DebugThreadLocalMapGetOrReserve GenerateDebugThreadLocalMapGetOrReserve(IntPtr structPtr)
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{
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EmitterContext context = new EmitterContext();
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var result = WindowsPartialUnmapHandler.EmitThreadLocalMapIntGetOrReserve(context, structPtr, context.LoadArgument(OperandType.I32, 0), context.LoadArgument(OperandType.I32, 1));
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context.Return(result);
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// Compile and return the function.
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ControlFlowGraph cfg = context.GetControlFlowGraph();
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OperandType[] argTypes = new OperandType[] { OperandType.I64 };
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return Compiler.Compile(cfg, argTypes, OperandType.I32, CompilerOptions.HighCq).Map<DebugThreadLocalMapGetOrReserve>();
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}
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public static DebugNativeWriteLoop GenerateDebugNativeWriteLoop()
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{
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EmitterContext context = new EmitterContext();
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// Loop a write to the target address until "running" is false.
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Operand structPtr = context.Copy(context.LoadArgument(OperandType.I64, 0));
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Operand writePtr = context.Copy(context.LoadArgument(OperandType.I64, 1));
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Operand loopLabel = Label();
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context.MarkLabel(loopLabel);
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context.Store(writePtr, Const(12345));
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Operand running = context.Load(OperandType.I32, structPtr);
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context.BranchIfTrue(loopLabel, running);
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context.Return();
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// Compile and return the function.
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ControlFlowGraph cfg = context.GetControlFlowGraph();
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OperandType[] argTypes = new OperandType[] { OperandType.I64 };
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return Compiler.Compile(cfg, argTypes, OperandType.None, CompilerOptions.HighCq).Map<DebugNativeWriteLoop>();
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}
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}
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}
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