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86 lines
No EOL
2.4 KiB
C#
86 lines
No EOL
2.4 KiB
C#
using ChocolArm64.Decoder;
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using ChocolArm64.State;
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using ChocolArm64.Translation;
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using System.Reflection.Emit;
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namespace ChocolArm64.Instruction
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{
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static partial class AInstEmit
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{
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public static void Brk(AILEmitterCtx Context)
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{
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EmitExceptionCall(Context, nameof(AThreadState.OnBreak));
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}
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public static void Svc(AILEmitterCtx Context)
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{
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EmitExceptionCall(Context, nameof(AThreadState.OnSvcCall));
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}
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private static void EmitExceptionCall(AILEmitterCtx Context, string MthdName)
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{
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AOpCodeException Op = (AOpCodeException)Context.CurrOp;
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Context.EmitStoreState();
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Context.EmitLdarg(ATranslatedSub.StateArgIdx);
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Context.EmitLdc_I8(Op.Position);
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Context.EmitLdc_I4(Op.Id);
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Context.EmitPrivateCall(typeof(AThreadState), MthdName);
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//Check if the thread should still be running, if it isn't then we return 0
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//to force a return to the dispatcher and then exit the thread.
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Context.EmitLdarg(ATranslatedSub.StateArgIdx);
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Context.EmitCallPropGet(typeof(AThreadState), nameof(AThreadState.Running));
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AILLabel LblEnd = new AILLabel();
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Context.Emit(OpCodes.Brtrue_S, LblEnd);
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Context.EmitLdc_I8(0);
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Context.Emit(OpCodes.Ret);
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Context.MarkLabel(LblEnd);
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if (Context.CurrBlock.Next != null)
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{
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Context.EmitLoadState(Context.CurrBlock.Next);
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}
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else
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{
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Context.EmitLdc_I8(Op.Position + 4);
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Context.Emit(OpCodes.Ret);
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}
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}
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public static void Und(AILEmitterCtx Context)
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{
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AOpCode Op = Context.CurrOp;
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Context.EmitStoreState();
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Context.EmitLdarg(ATranslatedSub.StateArgIdx);
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Context.EmitLdc_I8(Op.Position);
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Context.EmitLdc_I4(Op.RawOpCode);
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Context.EmitPrivateCall(typeof(AThreadState), nameof(AThreadState.OnUndefined));
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if (Context.CurrBlock.Next != null)
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{
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Context.EmitLoadState(Context.CurrBlock.Next);
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}
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else
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{
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Context.EmitLdc_I8(Op.Position + 4);
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Context.Emit(OpCodes.Ret);
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}
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}
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}
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} |