mirrors/ParkanPlayground
0
Fork 0
mirror of https://github.com/sampletext32/ParkanPlayground.git synced 2025-06-20 16:18:37 +03:00
Code Issues Releases Activity

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

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

32
X86Disassembler/X86/Handlers/And/AndImmToRm32Handler.cs
View File

@ -1,5 +1,7 @@
namespace X86Disassembler.X86.Handlers.And;
using X86Disassembler.X86.Operands;
/// <summary>
/// Handler for AND r/m32, imm32 instruction (0x81 /4)
/// </summary>
@ -8,11 +10,9 @@ public class AndImmToRm32Handler : InstructionHandler
/// <summary>
/// Initializes a new instance of the AndImmToRm32Handler 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 AndImmToRm32Handler(byte[] codeBuffer, InstructionDecoder decoder, int length)
: base(codeBuffer, decoder, length)
public AndImmToRm32Handler(InstructionDecoder decoder)
: base(decoder)
{
}
@ -27,11 +27,10 @@ public class AndImmToRm32Handler : InstructionHandler
return false;
// Check if the reg field of the ModR/M byte is 4 (AND)
int position = Decoder.GetPosition();
if (Decoder.CanReadByte())
if (!Decoder.CanReadByte())
return false;
byte modRM = CodeBuffer[position];
byte modRM = Decoder.PeakByte();
byte reg = (byte) ((modRM & 0x38) >> 3);
return reg == 4; // 4 = AND
@ -45,8 +44,8 @@ public class AndImmToRm32Handler : 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())
{
@ -65,12 +64,15 @@ public class AndImmToRm32Handler : InstructionHandler
// Read the immediate value in little-endian format
var imm = Decoder.ReadUInt32();
// Format the immediate value as expected by the tests (0x12345678)
// Note: The bytes are reversed to match the expected format in the tests
string immStr = $"0x{imm:X8}";
// Set the operands
instruction.Operands = $"{destOperand}, {immStr}";
// Create the immediate operand
var immOperand = OperandFactory.CreateImmediateOperand(imm);
// Set the structured operands
instruction.StructuredOperands =
[
destOperand,
immOperand
];
return true;
}