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Updated instruction handlers to use Type and StructuredOperands instead of Mnemonic and Operands

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This commit is contained in:
bird_egop
2025-04-14 22:08:50 +03:00
parent c516e063e7
commit 685eeda03d
136 changed files with 3694 additions and 2584 deletions
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37
X86Disassembler/X86/Handlers/Mov/MovMoffsEaxHandler.cs
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@ -1,3 +1,5 @@
using X86Disassembler.X86.Operands;
namespace X86Disassembler.X86.Handlers.Mov;
/// <summary>
@ -8,11 +10,9 @@ public class MovMoffsEaxHandler : InstructionHandler
/// <summary>
/// Initializes a new instance of the MovMoffsEaxHandler class
/// </summary>
/// <param name="codeBuffer">The buffer containing the code to decode</param>
/// <param name="decoder">The instruction decoder that owns this handler</param>
/// <param name="length">The length of the buffer</param>
public MovMoffsEaxHandler(byte[] codeBuffer, InstructionDecoder decoder, int length)
: base(codeBuffer, decoder, length)
public MovMoffsEaxHandler(InstructionDecoder decoder)
: base(decoder)
{
}
@ -34,23 +34,34 @@ public class MovMoffsEaxHandler : InstructionHandler
/// <returns>True if the instruction was successfully decoded</returns>
public override bool Decode(byte opcode, Instruction instruction)
{
// Set the mnemonic
instruction.Mnemonic = "mov";
// Set the instruction type
instruction.Type = InstructionType.Mov;
// Get the operand size and register name
// Get the operand size based on the opcode
int operandSize = opcode == 0xA2 ? 8 : 32;
string regName = ModRMDecoder.GetRegisterName(RegisterIndex.A, operandSize);
// Read the memory offset
uint offset = Decoder.ReadUInt32();
if (Decoder.GetPosition() > Length)
// Fixed bug: Changed from if (Decoder.CanReadUInt()) to if (!Decoder.CanReadUInt())
if (!Decoder.CanReadUInt())
{
return false;
}
// Set the operands
instruction.Operands = $"[0x{offset:X}], {regName}";
uint offset = Decoder.ReadUInt32();
// Create the destination memory operand
// For MOV moffs32, EAX or MOV moffs8, AL, the memory operand is a direct memory reference
var destinationOperand = OperandFactory.CreateDirectMemoryOperand(offset, operandSize);
// Create the source register operand (EAX or AL)
var sourceOperand = OperandFactory.CreateRegisterOperand(RegisterIndex.A, operandSize);
// Set the structured operands
instruction.StructuredOperands =
[
destinationOperand,
sourceOperand
];
return true;
}