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Code Issues Releases Activity

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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42
X86Disassembler/X86/Handlers/And/AndRm8R8Handler.cs
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@ -1,5 +1,7 @@
namespace X86Disassembler.X86.Handlers.And;
using X86Disassembler.X86.Operands;
/// <summary>
/// Handler for AND r/m8, r8 instruction (0x20)
/// </summary>
@ -8,11 +10,9 @@ public class AndRm8R8Handler : InstructionHandler
/// <summary>
/// Initializes a new instance of the AndRm8R8Handler 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 AndRm8R8Handler(byte[] codeBuffer, InstructionDecoder decoder, int length)
: base(codeBuffer, decoder, length)
public AndRm8R8Handler(InstructionDecoder decoder)
: base(decoder)
{
}
@ -34,8 +34,8 @@ public class AndRm8R8Handler : InstructionHandler
/// <returns>True if the instruction was successfully decoded</returns>
public override bool Decode(byte opcode, Instruction instruction)
{
// Set the mnemonic
instruction.Mnemonic = "and";
// Set the instruction type
instruction.Type = InstructionType.And;
if (!Decoder.CanReadByte())
{
@ -43,20 +43,38 @@ public class AndRm8R8Handler : InstructionHandler
}
// Read the ModR/M byte
var (mod, reg, rm, memOperand) = ModRMDecoder.ReadModRM();
var (mod, reg, rm, destOperand) = ModRMDecoder.ReadModRM();
// Get register name
string regName = ModRMDecoder.GetRegisterName(reg, 8);
// Create the source register operand
var srcOperand = OperandFactory.CreateRegisterOperand(reg, 8);
// For mod == 3, both operands are registers
if (mod == 3)
{
string rmRegName = ModRMDecoder.GetRegisterName(rm, 8);
instruction.Operands = $"{rmRegName}, {regName}";
// Create a register operand for the r/m field
var rmOperand = OperandFactory.CreateRegisterOperand(rm, 8);
// Set the structured operands
instruction.StructuredOperands =
[
rmOperand,
srcOperand
];
}
else // Memory operand
{
instruction.Operands = $"byte ptr {memOperand}, {regName}";
// Ensure memory operand has the correct size (8-bit)
if (destOperand is MemoryOperand memOperand)
{
memOperand.Size = 8;
}
// Set the structured operands
instruction.StructuredOperands =
[
destOperand,
srcOperand
];
}
return true;