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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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44
X86Disassembler/X86/Handlers/Or/OrR32Rm32Handler.cs
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@@ -1,5 +1,7 @@
namespace X86Disassembler.X86.Handlers.Or;
using X86Disassembler.X86.Operands;
/// <summary>
/// Handler for OR r32, r/m32 instruction (0x0B)
/// </summary>
@@ -8,11 +10,9 @@ public class OrR32Rm32Handler : InstructionHandler
/// <summary>
/// Initializes a new instance of the OrR32Rm32Handler 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 OrR32Rm32Handler(byte[] codeBuffer, InstructionDecoder decoder, int length)
: base(codeBuffer, decoder, length)
public OrR32Rm32Handler(InstructionDecoder decoder)
: base(decoder)
{
}
@@ -34,6 +34,9 @@ public class OrR32Rm32Handler : InstructionHandler
/// <returns>True if the instruction was successfully decoded</returns>
public override bool Decode(byte opcode, Instruction instruction)
{
// Set the instruction type
instruction.Type = InstructionType.Or;
if (!Decoder.CanReadByte())
{
return false;
@@ -42,21 +45,30 @@ public class OrR32Rm32Handler : InstructionHandler
// Read the ModR/M byte
var (mod, reg, rm, destOperand) = ModRMDecoder.ReadModRM();
// Set the mnemonic
instruction.Mnemonic = "or";
// Get the register name
string regName = ModRMDecoder.GetRegisterName(reg, 32);
// For memory operands, set the operand
if (mod != 3) // Memory operand
// Create the register operand for the reg field
var regOperand = OperandFactory.CreateRegisterOperand(reg);
// Set the structured operands based on addressing mode
if (mod == 3) // Direct register addressing
{
instruction.Operands = $"{regName}, {destOperand}";
// Create the register operand for the r/m field
var rmOperand = OperandFactory.CreateRegisterOperand(rm);
// Set the structured operands
instruction.StructuredOperands =
[
regOperand,
rmOperand
];
}
else // Register operand
else // Memory addressing
{
string rmName = ModRMDecoder.GetRegisterName(rm, 32);
instruction.Operands = $"{regName}, {rmName}";
// Set the structured operands
instruction.StructuredOperands =
[
regOperand,
destOperand
];
}
return true;