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Working on the assembler.

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This commit is contained in:
Creeper Lv
2025-07-18 12:43:42 +08:00
parent ae79862c07
commit 5701386dfb
19 changed files with 329 additions and 105 deletions
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52
src/SVM.Assembler.Core/Assembler.cs Normal file
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@@ -0,0 +1,52 @@
using LibCLCC.NET.Lexer;
using System;
namespace SVM.Assembler.Core
{
public class Assembler
{
public const string LexDefinition =
@"
Match:
D [0-9]
Number {D}+
InstMath math
InstCvt cvt
InstSystem system
InstSys sys
InstSD sd
Register \${D}+
LabelCode \.code\:
LabelData \.data\:
string "".*""
LineEnd \n
OpAdd add
OpSub sub
OpMul mul
OpDiv div
Id:
InstMath inst
InstCvt inst
InstSystem inst
InstSys inst
InstSD sd
string String
Number Number
Register Register
OpAdd BOp
OpSub BOp
OpMul BOp
OpDiv BOp
LineEnd LE
";
LexerDefinition? definition;
public Assembler()
{
LexerDefinition.TryParse(LexDefinition, out definition);
}
}
}

8
src/SVM.Assembler.Core/SVM.Assembler.Core.csproj Normal file
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@@ -0,0 +1,8 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netstandard2.1</TargetFramework>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>

16
src/SVM.Core/Data/CompactByte.cs
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@@ -31,7 +31,7 @@ namespace SVM.Core.Data
{
return new CompactByte(Value / R.Value);
}
public SCVMSimpleResult<CompactByte> AddOF(CompactByte R)
public SVMSimpleResult<CompactByte> AddOF(CompactByte R)
{
CompactByte result = default;
bool IsOF = false;
@@ -50,10 +50,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactByte>(IsOF, result);
return new SVMSimpleResult<CompactByte>(IsOF, result);
}
public SCVMSimpleResult<CompactByte> SubOF(CompactByte R)
public SVMSimpleResult<CompactByte> SubOF(CompactByte R)
{
CompactByte result = default;
bool IsOF = false;
@@ -72,10 +72,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactByte>(IsOF, result);
return new SVMSimpleResult<CompactByte>(IsOF, result);
}
public SCVMSimpleResult<CompactByte> DivOF(CompactByte R)
public SVMSimpleResult<CompactByte> DivOF(CompactByte R)
{
CompactByte result = default;
bool IsOF = false;
@@ -94,10 +94,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactByte>(IsOF, result);
return new SVMSimpleResult<CompactByte>(IsOF, result);
}
public SCVMSimpleResult<CompactByte> MulOF(CompactByte R)
public SVMSimpleResult<CompactByte> MulOF(CompactByte R)
{
CompactByte result = default;
bool IsOF = false;
@@ -116,7 +116,7 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactByte>(IsOF, result);
return new SVMSimpleResult<CompactByte>(IsOF, result);
}
public bool LT(CompactByte R)

16
src/SVM.Core/Data/CompactDouble.cs
View File

@@ -30,7 +30,7 @@ namespace SVM.Core.Data
return new CompactDouble(Value / R.Value);
}
public SCVMSimpleResult<CompactDouble> AddOF(CompactDouble R)
public SVMSimpleResult<CompactDouble> AddOF(CompactDouble R)
{
CompactDouble result = default;
bool IsOF = false;
@@ -49,10 +49,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactDouble>(IsOF, result);
return new SVMSimpleResult<CompactDouble>(IsOF, result);
}
public SCVMSimpleResult<CompactDouble> SubOF(CompactDouble R)
public SVMSimpleResult<CompactDouble> SubOF(CompactDouble R)
{
CompactDouble result = default;
bool IsOF = false;
@@ -71,10 +71,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactDouble>(IsOF, result);
return new SVMSimpleResult<CompactDouble>(IsOF, result);
}
public SCVMSimpleResult<CompactDouble> DivOF(CompactDouble R)
public SVMSimpleResult<CompactDouble> DivOF(CompactDouble R)
{
CompactDouble result = default;
bool IsOF = false;
@@ -93,10 +93,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactDouble>(IsOF, result);
return new SVMSimpleResult<CompactDouble>(IsOF, result);
}
public SCVMSimpleResult<CompactDouble> MulOF(CompactDouble R)
public SVMSimpleResult<CompactDouble> MulOF(CompactDouble R)
{
CompactDouble result = default;
bool IsOF = false;
@@ -115,7 +115,7 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactDouble>(IsOF, result);
return new SVMSimpleResult<CompactDouble>(IsOF, result);
}
public bool LT(CompactDouble R)

16
src/SVM.Core/Data/CompactInt.cs
View File

@@ -31,7 +31,7 @@ namespace SVM.Core.Data
return new CompactInt(Value / R.Value);
}
public SCVMSimpleResult<CompactInt> AddOF(CompactInt R)
public SVMSimpleResult<CompactInt> AddOF(CompactInt R)
{
CompactInt result = default;
bool IsOF = false;
@@ -50,10 +50,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactInt>(IsOF, result);
return new SVMSimpleResult<CompactInt>(IsOF, result);
}
public SCVMSimpleResult<CompactInt> SubOF(CompactInt R)
public SVMSimpleResult<CompactInt> SubOF(CompactInt R)
{
CompactInt result = default;
bool IsOF = false;
@@ -72,10 +72,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactInt>(IsOF, result);
return new SVMSimpleResult<CompactInt>(IsOF, result);
}
public SCVMSimpleResult<CompactInt> DivOF(CompactInt R)
public SVMSimpleResult<CompactInt> DivOF(CompactInt R)
{
CompactInt result = default;
bool IsOF = false;
@@ -94,10 +94,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactInt>(IsOF, result);
return new SVMSimpleResult<CompactInt>(IsOF, result);
}
public SCVMSimpleResult<CompactInt> MulOF(CompactInt R)
public SVMSimpleResult<CompactInt> MulOF(CompactInt R)
{
CompactInt result = default;
bool IsOF = false;
@@ -116,7 +116,7 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactInt>(IsOF, result);
return new SVMSimpleResult<CompactInt>(IsOF, result);
}
public bool LT(CompactInt R)

16
src/SVM.Core/Data/CompactLong.cs
View File

@@ -29,7 +29,7 @@ namespace SVM.Core.Data
{
return new CompactLong(Value / R.Value);
}
public SCVMSimpleResult<CompactLong> AddOF(CompactLong R)
public SVMSimpleResult<CompactLong> AddOF(CompactLong R)
{
CompactLong result = default;
bool IsOF = false;
@@ -48,10 +48,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactLong>(IsOF, result);
return new SVMSimpleResult<CompactLong>(IsOF, result);
}
public SCVMSimpleResult<CompactLong> SubOF(CompactLong R)
public SVMSimpleResult<CompactLong> SubOF(CompactLong R)
{
CompactLong result = default;
bool IsOF = false;
@@ -70,10 +70,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactLong>(IsOF, result);
return new SVMSimpleResult<CompactLong>(IsOF, result);
}
public SCVMSimpleResult<CompactLong> DivOF(CompactLong R)
public SVMSimpleResult<CompactLong> DivOF(CompactLong R)
{
CompactLong result = default;
bool IsOF = false;
@@ -92,10 +92,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactLong>(IsOF, result);
return new SVMSimpleResult<CompactLong>(IsOF, result);
}
public SCVMSimpleResult<CompactLong> MulOF(CompactLong R)
public SVMSimpleResult<CompactLong> MulOF(CompactLong R)
{
CompactLong result = default;
bool IsOF = false;
@@ -114,7 +114,7 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactLong>(IsOF, result);
return new SVMSimpleResult<CompactLong>(IsOF, result);
}
public bool LT(CompactLong R)

16
src/SVM.Core/Data/CompactSByte.cs
View File

@@ -30,7 +30,7 @@ namespace SVM.Core.Data
{
return new CompactSByte(Value / R.Value);
}
public SCVMSimpleResult<CompactSByte> AddOF(CompactSByte R)
public SVMSimpleResult<CompactSByte> AddOF(CompactSByte R)
{
CompactSByte result = default;
bool IsOF = false;
@@ -49,10 +49,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactSByte>(IsOF, result);
return new SVMSimpleResult<CompactSByte>(IsOF, result);
}
public SCVMSimpleResult<CompactSByte> SubOF(CompactSByte R)
public SVMSimpleResult<CompactSByte> SubOF(CompactSByte R)
{
CompactSByte result = default;
bool IsOF = false;
@@ -71,10 +71,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactSByte>(IsOF, result);
return new SVMSimpleResult<CompactSByte>(IsOF, result);
}
public SCVMSimpleResult<CompactSByte> DivOF(CompactSByte R)
public SVMSimpleResult<CompactSByte> DivOF(CompactSByte R)
{
CompactSByte result = default;
bool IsOF = false;
@@ -93,10 +93,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactSByte>(IsOF, result);
return new SVMSimpleResult<CompactSByte>(IsOF, result);
}
public SCVMSimpleResult<CompactSByte> MulOF(CompactSByte R)
public SVMSimpleResult<CompactSByte> MulOF(CompactSByte R)
{
CompactSByte result = default;
bool IsOF = false;
@@ -115,7 +115,7 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactSByte>(IsOF, result);
return new SVMSimpleResult<CompactSByte>(IsOF, result);
}
public bool LT(CompactSByte R)

16
src/SVM.Core/Data/CompactShort.cs
View File

@@ -30,7 +30,7 @@ namespace SVM.Core.Data
{
return new CompactShort(Value / R.Value);
}
public SCVMSimpleResult<CompactShort> AddOF(CompactShort R)
public SVMSimpleResult<CompactShort> AddOF(CompactShort R)
{
CompactShort result = default;
bool IsOF = false;
@@ -49,10 +49,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactShort>(IsOF, result);
return new SVMSimpleResult<CompactShort>(IsOF, result);
}
public SCVMSimpleResult<CompactShort> SubOF(CompactShort R)
public SVMSimpleResult<CompactShort> SubOF(CompactShort R)
{
CompactShort result = default;
bool IsOF = false;
@@ -71,10 +71,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactShort>(IsOF, result);
return new SVMSimpleResult<CompactShort>(IsOF, result);
}
public SCVMSimpleResult<CompactShort> DivOF(CompactShort R)
public SVMSimpleResult<CompactShort> DivOF(CompactShort R)
{
CompactShort result = default;
bool IsOF = false;
@@ -93,10 +93,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactShort>(IsOF, result);
return new SVMSimpleResult<CompactShort>(IsOF, result);
}
public SCVMSimpleResult<CompactShort> MulOF(CompactShort R)
public SVMSimpleResult<CompactShort> MulOF(CompactShort R)
{
CompactShort result = default;
bool IsOF = false;
@@ -115,7 +115,7 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactShort>(IsOF, result);
return new SVMSimpleResult<CompactShort>(IsOF, result);
}
public bool LT(CompactShort R)

16
src/SVM.Core/Data/CompactSingle.cs
View File

@@ -29,7 +29,7 @@ namespace SVM.Core.Data
{
return new CompactSingle(Value / R.Value);
}
public SCVMSimpleResult<CompactSingle> AddOF(CompactSingle R)
public SVMSimpleResult<CompactSingle> AddOF(CompactSingle R)
{
CompactSingle result = default;
bool IsOF = false;
@@ -48,10 +48,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactSingle>(IsOF, result);
return new SVMSimpleResult<CompactSingle>(IsOF, result);
}
public SCVMSimpleResult<CompactSingle> SubOF(CompactSingle R)
public SVMSimpleResult<CompactSingle> SubOF(CompactSingle R)
{
CompactSingle result = default;
bool IsOF = false;
@@ -70,10 +70,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactSingle>(IsOF, result);
return new SVMSimpleResult<CompactSingle>(IsOF, result);
}
public SCVMSimpleResult<CompactSingle> DivOF(CompactSingle R)
public SVMSimpleResult<CompactSingle> DivOF(CompactSingle R)
{
CompactSingle result = default;
bool IsOF = false;
@@ -92,10 +92,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactSingle>(IsOF, result);
return new SVMSimpleResult<CompactSingle>(IsOF, result);
}
public SCVMSimpleResult<CompactSingle> MulOF(CompactSingle R)
public SVMSimpleResult<CompactSingle> MulOF(CompactSingle R)
{
CompactSingle result = default;
bool IsOF = false;
@@ -114,7 +114,7 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactSingle>(IsOF, result);
return new SVMSimpleResult<CompactSingle>(IsOF, result);
}
public bool LT(CompactSingle R)

16
src/SVM.Core/Data/CompactUInt.cs
View File

@@ -29,7 +29,7 @@ namespace SVM.Core.Data
{
return new CompactUInt(Value / R.Value);
}
public SCVMSimpleResult<CompactUInt> AddOF(CompactUInt R)
public SVMSimpleResult<CompactUInt> AddOF(CompactUInt R)
{
CompactUInt result = default;
bool IsOF = false;
@@ -48,10 +48,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactUInt>(IsOF, result);
return new SVMSimpleResult<CompactUInt>(IsOF, result);
}
public SCVMSimpleResult<CompactUInt> SubOF(CompactUInt R)
public SVMSimpleResult<CompactUInt> SubOF(CompactUInt R)
{
CompactUInt result = default;
bool IsOF = false;
@@ -70,10 +70,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactUInt>(IsOF, result);
return new SVMSimpleResult<CompactUInt>(IsOF, result);
}
public SCVMSimpleResult<CompactUInt> DivOF(CompactUInt R)
public SVMSimpleResult<CompactUInt> DivOF(CompactUInt R)
{
CompactUInt result = default;
bool IsOF = false;
@@ -92,10 +92,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactUInt>(IsOF, result);
return new SVMSimpleResult<CompactUInt>(IsOF, result);
}
public SCVMSimpleResult<CompactUInt> MulOF(CompactUInt R)
public SVMSimpleResult<CompactUInt> MulOF(CompactUInt R)
{
CompactUInt result = default;
bool IsOF = false;
@@ -114,7 +114,7 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactUInt>(IsOF, result);
return new SVMSimpleResult<CompactUInt>(IsOF, result);
}
public bool LT(CompactUInt R)

16
src/SVM.Core/Data/CompactULong.cs
View File

@@ -29,7 +29,7 @@ namespace SVM.Core.Data
{
return new CompactULong(Value / R.Value);
}
public SCVMSimpleResult<CompactULong> AddOF(CompactULong R)
public SVMSimpleResult<CompactULong> AddOF(CompactULong R)
{
CompactULong result = default;
bool IsOF = false;
@@ -48,10 +48,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactULong>(IsOF, result);
return new SVMSimpleResult<CompactULong>(IsOF, result);
}
public SCVMSimpleResult<CompactULong> SubOF(CompactULong R)
public SVMSimpleResult<CompactULong> SubOF(CompactULong R)
{
CompactULong result = default;
bool IsOF = false;
@@ -70,10 +70,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactULong>(IsOF, result);
return new SVMSimpleResult<CompactULong>(IsOF, result);
}
public SCVMSimpleResult<CompactULong> DivOF(CompactULong R)
public SVMSimpleResult<CompactULong> DivOF(CompactULong R)
{
CompactULong result = default;
bool IsOF = false;
@@ -92,10 +92,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactULong>(IsOF, result);
return new SVMSimpleResult<CompactULong>(IsOF, result);
}
public SCVMSimpleResult<CompactULong> MulOF(CompactULong R)
public SVMSimpleResult<CompactULong> MulOF(CompactULong R)
{
CompactULong result = default;
bool IsOF = false;
@@ -114,7 +114,7 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactULong>(IsOF, result);
return new SVMSimpleResult<CompactULong>(IsOF, result);
}
public bool LT(CompactULong R)

16
src/SVM.Core/Data/CompactUShort.cs
View File

@@ -30,7 +30,7 @@ namespace SVM.Core.Data
{
return new CompactUShort(Value / R.Value);
}
public SCVMSimpleResult<CompactUShort> AddOF(CompactUShort R)
public SVMSimpleResult<CompactUShort> AddOF(CompactUShort R)
{
CompactUShort result = default;
bool IsOF = false;
@@ -49,10 +49,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactUShort>(IsOF, result);
return new SVMSimpleResult<CompactUShort>(IsOF, result);
}
public SCVMSimpleResult<CompactUShort> SubOF(CompactUShort R)
public SVMSimpleResult<CompactUShort> SubOF(CompactUShort R)
{
CompactUShort result = default;
bool IsOF = false;
@@ -71,10 +71,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactUShort>(IsOF, result);
return new SVMSimpleResult<CompactUShort>(IsOF, result);
}
public SCVMSimpleResult<CompactUShort> DivOF(CompactUShort R)
public SVMSimpleResult<CompactUShort> DivOF(CompactUShort R)
{
CompactUShort result = default;
bool IsOF = false;
@@ -93,10 +93,10 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactUShort>(IsOF, result);
return new SVMSimpleResult<CompactUShort>(IsOF, result);
}
public SCVMSimpleResult<CompactUShort> MulOF(CompactUShort R)
public SVMSimpleResult<CompactUShort> MulOF(CompactUShort R)
{
CompactUShort result = default;
bool IsOF = false;
@@ -115,7 +115,7 @@ namespace SVM.Core.Data
}
}
}
return new SCVMSimpleResult<CompactUShort>(IsOF, result);
return new SVMSimpleResult<CompactUShort>(IsOF, result);
}
public bool LT(CompactUShort R)

18
src/SVM.Core/Data/INumberData.cs
View File

@@ -5,7 +5,7 @@ using System.Text;
namespace SVM.Core.Data
{
public interface INumbericData<T> : IPointerWritable where T : unmanaged
public interface INumbericData<T> : IPointerWritable, ICastable where T : unmanaged
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
T Add(T R);
@@ -19,13 +19,13 @@ namespace SVM.Core.Data
T Mod(T R);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
SCVMSimpleResult<T> AddOF(T R);
SVMSimpleResult<T> AddOF(T R);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
SCVMSimpleResult<T> SubOF(T R);
SVMSimpleResult<T> SubOF(T R);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
SCVMSimpleResult<T> DivOF(T R);
SVMSimpleResult<T> DivOF(T R);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
SCVMSimpleResult<T> MulOF(T R);
SVMSimpleResult<T> MulOF(T R);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
bool LT(T R);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -38,6 +38,9 @@ namespace SVM.Core.Data
bool EQ(T R);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
bool NE(T R);
}
public interface ICastable
{
INumbericData<CompactByte> Cast_Byte();
INumbericData<CompactSByte> Cast_SByte();
INumbericData<CompactShort> Cast_Short();
@@ -49,17 +52,18 @@ namespace SVM.Core.Data
INumbericData<CompactDouble> Cast_Double();
INumbericData<CompactSingle> Cast_Float();
}
public unsafe interface IPointerWritable
{
public void Write(byte* targetPtr);
public int SizeOf();
}
public struct SCVMSimpleResult<T> where T : unmanaged
public struct SVMSimpleResult<T> where T : unmanaged
{
public bool IsSuccess;
public T Value;
public SCVMSimpleResult(bool isSuccess, T value)
public SVMSimpleResult(bool isSuccess, T value)
{
IsSuccess = isSuccess;
Value = value;

4
src/SVM.Core/DebugSymbol.cs
View File

@@ -7,9 +7,9 @@ namespace SVM.Core
{
public Dictionary<string, uint> Functions = new Dictionary<string, uint>();
}
public class RuntimeBinary
public unsafe class RuntimeBinary
{
public uint offset;
public SVMProgram* program;
public SimpleVirtualMachine? BindedMachine;
public DebugSymbol? Symbol;
public bool Invoke(string funcName)

5
src/SVM.Core/Registers.cs
View File

@@ -27,6 +27,11 @@ namespace SVM.Core
if (RegisterID == 0) return default;
return Data.GetDataWithOffsetInBytes<T>(RegisterID * sizeof(Int64));
}
public unsafe byte* GetPtr(int RegisterID)
{
if (RegisterID == 0) return null;
return ((byte*)Data) + RegisterID * sizeof(long);
}
public unsafe void SetData<T>(int offset, T d) where T : unmanaged
{
if (offset == 0) return;

8
src/SVM.Core/SVMInstDef.cs
View File

@@ -72,7 +72,13 @@
}
public enum ConditionFlag
{
Cmp,
/// <summary>
/// Compare Flag
/// </summary>
CF,
/// <summary>
/// Overflow Flag
/// </summary>
Of,
}
public enum SIMDOperator : byte

53
src/SVM.Core/SVMProgram.cs Normal file
View File

@@ -0,0 +1,53 @@
using SVM.Core.Utils;
using System;
using System.IO;
using static SVM.Core.stdc.stdlib;
namespace SVM.Core
{
public unsafe struct SVMProgram : IDisposable
{
public UInt64 InstructionCount;
public UInt64 DataSize;
public SVMInstruction* instructions;
public byte* data;
public static SVMProgram* LoadFromStream(Stream stream)
{
if (!stream.TryReadData(out uint dataSectionLength))
{
return null;
}
if (!stream.TryReadData(out uint codeCount))
{
return null;
}
var dataPtr = malloc(dataSectionLength);
Span<byte> dataBuffer = new Span<byte>((byte*)dataPtr, (int)dataSectionLength);
if (stream.Read(dataBuffer) != dataSectionLength)
{
free(dataPtr);
return null;
}
var codeLen = codeCount * sizeof(SVMInstruction);
var codePtr = malloc((uint)codeLen);
Span<byte> codeBuffer = new Span<byte>((byte*)codePtr, (int)codeLen);
if (stream.Read(codeBuffer) != codeLen)
{
free(dataPtr);
free(codePtr);
return null;
}
var program = (SVMProgram*)malloc(sizeof(SVMProgram));
program->data = (byte*)dataPtr;
program->DataSize = dataSectionLength;
program->instructions = (SVMInstruction*)codePtr;
program->InstructionCount = codeCount;
return program;
}
public void Dispose()
{
free((IntPtr)data);
free((IntPtr)instructions);
}
}
}

101
src/SVM.Core/SimpleVirtualMachine.cs
View File

@@ -1,9 +1,9 @@
using SVM.Core.FuncImpl;
using SVM.Core.Data;
using SVM.Core.FuncImpl;
using SVM.Core.Utils;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Runtime.InteropServices;
using static SVM.Core.stdc.stdlib;
namespace SVM.Core
@@ -105,6 +105,9 @@ namespace SVM.Core
case SVMInstDef.UMath:
break;
case SVMInstDef.Cvt:
{
Convert(Instruction);
}
break;
case SVMInstDef.Cmp:
break;
@@ -148,6 +151,86 @@ namespace SVM.Core
PC++;
registers.SetData<ulong>((int)PCOffset, PC);
}
private void Convert(SVMInstruction Instruction)
{
var SType = Instruction.GetData<SVMNativeTypes>(1);
var TType = Instruction.GetData<SVMNativeTypes>(2);
var L = Instruction.GetData<byte>(3);
var T = Instruction.GetData<byte>(4);
ICastable castable;
switch (SType)
{
case SVMNativeTypes.Int8:
castable = registers.GetData<CompactSByte>(L);
break;
case SVMNativeTypes.Int16:
castable = registers.GetData<CompactShort>(L);
break;
case SVMNativeTypes.Int32:
castable = registers.GetData<CompactInt>(L);
break;
case SVMNativeTypes.Int64:
castable = registers.GetData<CompactLong>(L);
break;
case SVMNativeTypes.UInt8:
castable = registers.GetData<CompactByte>(L);
break;
case SVMNativeTypes.UInt16:
castable = registers.GetData<CompactUShort>(L);
break;
case SVMNativeTypes.UInt32:
castable = registers.GetData<CompactUInt>(L);
break;
case SVMNativeTypes.UInt64:
castable = registers.GetData<CompactULong>(L);
break;
case SVMNativeTypes.Float:
castable = registers.GetData<CompactSingle>(L);
break;
case SVMNativeTypes.Double:
castable = registers.GetData<CompactDouble>(L);
break;
default:
return;
}
switch (TType)
{
case SVMNativeTypes.Int8:
castable.Cast_SByte().Write(registers.GetPtr(T));
break;
case SVMNativeTypes.Int16:
castable.Cast_Short().Write(registers.GetPtr(T));
break;
case SVMNativeTypes.Int32:
castable.Cast_Int().Write(registers.GetPtr(T));
break;
case SVMNativeTypes.Int64:
castable.Cast_Long().Write(registers.GetPtr(T));
break;
case SVMNativeTypes.UInt8:
castable.Cast_Byte().Write(registers.GetPtr(T));
break;
case SVMNativeTypes.UInt16:
castable.Cast_UShort().Write(registers.GetPtr(T));
break;
case SVMNativeTypes.UInt32:
castable.Cast_UInt().Write(registers.GetPtr(T));
break;
case SVMNativeTypes.UInt64:
castable.Cast_ULong().Write(registers.GetPtr(T));
break;
case SVMNativeTypes.Float:
castable.Cast_Float().Write(registers.GetPtr(T));
break;
case SVMNativeTypes.Double:
castable.Cast_Double().Write(registers.GetPtr(T));
break;
default:
break;
}
}
public IntPtr GetPointer(ulong PC)
{
return GetPointer(new SVMPointer() { offset = (uint)PC, index = 0 });
@@ -229,24 +312,12 @@ namespace SVM.Core
/// </summary>
public uint EIDRegisterID;
}
public unsafe struct SVMProgram
{
public UInt64 InstructionCount;
public UInt64 DataSize;
public SVMInstruction* instructions;
public byte* data;
public static SVMProgram* LoadFromStream(Stream stream)
{
var program = (SVMProgram*)malloc(sizeof(SVMProgram));
return program;
}
}
public delegate void FuncCall(SimpleVirtualMachine machine);
[StructLayout(LayoutKind.Sequential)]
public struct MState
{
public byte OF;
public byte CF;
}
[StructLayout(LayoutKind.Sequential)]
public struct MemoryBlock : IDisposable

25
src/SVM.Core/Utils/StreamUtils.cs Normal file
View File

@@ -0,0 +1,25 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
namespace SVM.Core.Utils
{
public static class StreamUtils
{
public unsafe static bool TryReadData<T>(this Stream stream, out T data) where T : unmanaged
{
int len = sizeof(T);
var dataPtr = stackalloc byte[len];
Span<byte> buffer = new Span<byte>(dataPtr, len);
var count = stream.Read(buffer);
if (count != len)
{
data = default;
return false;
}
data = ((T*)dataPtr)[0];
return true;
}
}
}