move handlers

X86Disassembler/X86/Handlers/Jump/JmpRel32Handler.cs

@@ -0,0 +1,59 @@
+namespace X86Disassembler.X86.Handlers.Jump;
+
+/// <summary>
+/// Handler for JMP rel32 instruction (0xE9)
+/// </summary>
+public class JmpRel32Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the JmpRel32Handler 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 JmpRel32Handler(byte[] codeBuffer, InstructionDecoder decoder, int length) 
+        : base(codeBuffer, decoder, length)
+    {
+    }
+    
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        return opcode == 0xE9;
+    }
+    
+    /// <summary>
+    /// Decodes a JMP rel32 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the mnemonic
+        instruction.Mnemonic = "jmp";
+        
+        int position = Decoder.GetPosition();
+        
+        if (position + 4 > Length)
+        {
+            return false;
+        }
+        
+        // Read the relative offset
+        int offset = BitConverter.ToInt32(CodeBuffer, position);
+        Decoder.SetPosition(position + 4);
+        
+        // Calculate the target address
+        uint targetAddress = (uint)(position + offset + 4);
+        
+        // Set the operands
+        instruction.Operands = $"0x{targetAddress:X8}";
+        
+        return true;
+    }
+}