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Add FRINTP instruction, fix opcode ctor call method creation with multithreading

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This commit is contained in:
gdkchan 2018-02-22 16:26:11 -03:00
parent 224211367f
commit 2cba1d49f6
3 changed files with 75 additions and 60 deletions
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54
ChocolArm64/Decoder/ADecoder.cs
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@ -1,6 +1,7 @@
using ChocolArm64.Instruction;
using ChocolArm64.Memory;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Reflection.Emit;
@ -8,6 +9,15 @@ namespace ChocolArm64.Decoder
{
static class ADecoder
{
private delegate object OpActivator(AInst Inst, long Position, int OpCode);
private static ConcurrentDictionary<Type, OpActivator> OpActivators;
static ADecoder()
{
OpActivators = new ConcurrentDictionary<Type, OpActivator>();
}
public static (ABlock[] Graph, ABlock Root) DecodeSubroutine(ATranslator Translator, long Start)
{
Dictionary<long, ABlock> Visited = new Dictionary<long, ABlock>();
@ -165,43 +175,39 @@ namespace ChocolArm64.Decoder
if (Inst.Type != null)
{
DecodedOpCode = CreateOpCode(Inst.Type, Inst, Position, OpCode);
DecodedOpCode = MakeOpCode(Inst.Type, Inst, Position, OpCode);
}
return DecodedOpCode;
}
private delegate object OpActivator(AInst Inst, long Position, int OpCode);
private static Dictionary<Type, OpActivator> Activators = new Dictionary<Type, OpActivator>();
private static AOpCode CreateOpCode(Type Type, AInst Inst, long Position, int OpCode)
private static AOpCode MakeOpCode(Type Type, AInst Inst, long Position, int OpCode)
{
if (Type == null)
{
throw new ArgumentNullException(nameof(Type));
}
if (!Activators.TryGetValue(Type, out OpActivator CreateInstance))
{
Type[] ArgTypes = new Type[] { typeof(AInst), typeof(long), typeof(int) };
DynamicMethod Mthd = new DynamicMethod($"{Type.Name}_Create", Type, ArgTypes);
ILGenerator Generator = Mthd.GetILGenerator();
Generator.Emit(OpCodes.Ldarg_0);
Generator.Emit(OpCodes.Ldarg_1);
Generator.Emit(OpCodes.Ldarg_2);
Generator.Emit(OpCodes.Newobj, Type.GetConstructor(ArgTypes));
Generator.Emit(OpCodes.Ret);
CreateInstance = (OpActivator)Mthd.CreateDelegate(typeof(OpActivator));
Activators.Add(Type, CreateInstance);
}
OpActivator CreateInstance = OpActivators.GetOrAdd(Type, CacheOpActivator);
return (AOpCode)CreateInstance(Inst, Position, OpCode);
}
private static OpActivator CacheOpActivator(Type Type)
{
Type[] ArgTypes = new Type[] { typeof(AInst), typeof(long), typeof(int) };
DynamicMethod Mthd = new DynamicMethod($"Make{Type.Name}", Type, ArgTypes);
ILGenerator Generator = Mthd.GetILGenerator();
Generator.Emit(OpCodes.Ldarg_0);
Generator.Emit(OpCodes.Ldarg_1);
Generator.Emit(OpCodes.Ldarg_2);
Generator.Emit(OpCodes.Newobj, Type.GetConstructor(ArgTypes));
Generator.Emit(OpCodes.Ret);
return (OpActivator)Mthd.CreateDelegate(typeof(OpActivator));
}
}
}