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nice big refactor

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This commit is contained in:
bird_egop
2025-04-13 23:06:52 +03:00
parent 59df064ca4
commit 11a2cfada4
92 changed files with 981 additions and 1509 deletions
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24
X86Disassembler/X86/Handlers/Xor/XorImmWithRm16Handler.cs
View File

@ -56,7 +56,27 @@ public class XorImmWithRm16Handler : InstructionHandler
}
// Read the ModR/M byte
var (mod, reg, rm, destOperand) = ModRMDecoder.ReadModRM();
var (mod, reg, rm, memOperand) = ModRMDecoder.ReadModRM();
// For the first operand, handle based on addressing mode
string rmOperand;
if (mod == 3) // Register addressing mode
{
// Get 16-bit register name for the operand
rmOperand = ModRMDecoder.GetRegisterName(rm, 16);
}
else // Memory addressing mode
{
// For memory operands, replace "dword ptr" with "word ptr"
if (memOperand.StartsWith("dword ptr "))
{
rmOperand = memOperand.Replace("dword ptr", "word ptr");
}
else
{
rmOperand = memOperand;
}
}
// Get the updated position after ModR/M decoding
position = Decoder.GetPosition();
@ -74,7 +94,7 @@ public class XorImmWithRm16Handler : InstructionHandler
string immStr = $"0x{imm16:X4}";
// Set the operands
instruction.Operands = $"{destOperand}, {immStr}";
instruction.Operands = $"{rmOperand}, {immStr}";
return true;
}

24
X86Disassembler/X86/Handlers/Xor/XorImmWithRm16SignExtendedHandler.cs
View File

@ -56,7 +56,27 @@ public class XorImmWithRm16SignExtendedHandler : InstructionHandler
}
// Read the ModR/M byte
var (mod, reg, rm, destOperand) = ModRMDecoder.ReadModRM();
var (mod, reg, rm, memOperand) = ModRMDecoder.ReadModRM();
// For the first operand, handle based on addressing mode
string rmOperand;
if (mod == 3) // Register addressing mode
{
// Get 16-bit register name for the operand
rmOperand = ModRMDecoder.GetRegisterName(rm, 16);
}
else // Memory addressing mode
{
// For memory operands, replace "dword ptr" with "word ptr"
if (memOperand.StartsWith("dword ptr "))
{
rmOperand = memOperand.Replace("dword ptr", "word ptr");
}
else
{
rmOperand = memOperand;
}
}
// Get the updated position after ModR/M decoding
position = Decoder.GetPosition();
@ -85,7 +105,7 @@ public class XorImmWithRm16SignExtendedHandler : InstructionHandler
}
// Set the operands
instruction.Operands = $"{destOperand}, {immStr}";
instruction.Operands = $"{rmOperand}, {immStr}";
return true;
}

2
X86Disassembler/X86/Handlers/Xor/XorMemRegHandler.cs
View File

@ -48,7 +48,7 @@ public class XorMemRegHandler : InstructionHandler
var (mod, reg, rm, destOperand) = ModRMDecoder.ReadModRM();
// Get the source register
string srcReg = GetRegister32(reg);
string srcReg = ModRMDecoder.GetRegisterName(reg, 32);
// Set the operands
instruction.Operands = $"{destOperand}, {srcReg}";

24
X86Disassembler/X86/Handlers/Xor/XorR16Rm16Handler.cs
View File

@ -48,11 +48,31 @@ public class XorR16Rm16Handler : InstructionHandler
// Read the ModR/M byte
var (mod, reg, rm, memOperand) = ModRMDecoder.ReadModRM();
// Get register name
// Get register name for the first operand (16-bit)
string regName = ModRMDecoder.GetRegisterName(reg, 16);
// For the second operand, handle based on addressing mode
string rmOperand;
if (mod == 3) // Register addressing mode
{
// Get 16-bit register name for the second operand
rmOperand = ModRMDecoder.GetRegisterName(rm, 16);
}
else // Memory addressing mode
{
// For memory operands, replace "dword ptr" with "word ptr"
if (memOperand.StartsWith("dword ptr "))
{
rmOperand = memOperand.Replace("dword ptr", "word ptr");
}
else
{
rmOperand = memOperand;
}
}
// Set the operands
instruction.Operands = $"{regName}, {memOperand}";
instruction.Operands = $"{regName}, {rmOperand}";
return true;
}

2
X86Disassembler/X86/Handlers/Xor/XorRegMemHandler.cs
View File

@ -48,7 +48,7 @@ public class XorRegMemHandler : InstructionHandler
var (mod, reg, rm, srcOperand) = ModRMDecoder.ReadModRM();
// Get the destination register
string destReg = GetRegister32(reg);
string destReg = ModRMDecoder.GetRegisterName(reg, 32);
// Set the operands
instruction.Operands = $"{destReg}, {srcOperand}";

24
X86Disassembler/X86/Handlers/Xor/XorRm16R16Handler.cs
View File

@ -48,11 +48,31 @@ public class XorRm16R16Handler : InstructionHandler
// Read the ModR/M byte
var (mod, reg, rm, memOperand) = ModRMDecoder.ReadModRM();
// Get register name
// Get register name for the second operand (16-bit)
string regName = ModRMDecoder.GetRegisterName(reg, 16);
// For the first operand, handle based on addressing mode
string rmOperand;
if (mod == 3) // Register addressing mode
{
// Get 16-bit register name for the first operand
rmOperand = ModRMDecoder.GetRegisterName(rm, 16);
}
else // Memory addressing mode
{
// For memory operands, replace "dword ptr" with "word ptr"
if (memOperand.StartsWith("dword ptr "))
{
rmOperand = memOperand.Replace("dword ptr", "word ptr");
}
else
{
rmOperand = memOperand;
}
}
// Set the operands
instruction.Operands = $"{memOperand}, {regName}";
instruction.Operands = $"{rmOperand}, {regName}";
return true;
}