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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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26
X86Disassembler/X86/Handlers/Adc/AdcImmToRm32Handler.cs
View File

@ -1,5 +1,7 @@
namespace X86Disassembler.X86.Handlers.Adc;
using X86Disassembler.X86.Operands;
/// <summary>
/// Handler for ADC r/m32, imm32 instruction (0x81 /2)
/// </summary>
@ -8,11 +10,9 @@ public class AdcImmToRm32Handler : InstructionHandler
/// <summary>
/// Initializes a new instance of the AdcImmToRm32Handler 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 AdcImmToRm32Handler(byte[] codeBuffer, InstructionDecoder decoder, int length)
: base(codeBuffer, decoder, length)
public AdcImmToRm32Handler(InstructionDecoder decoder)
: base(decoder)
{
}
@ -27,11 +27,10 @@ public class AdcImmToRm32Handler : InstructionHandler
return false;
// Check if the reg field of the ModR/M byte is 2 (ADC)
int position = Decoder.GetPosition();
if (!Decoder.CanReadByte())
return false;
byte modRM = CodeBuffer[position];
byte modRM = Decoder.PeakByte();
byte reg = (byte) ((modRM & 0x38) >> 3);
return reg == 2; // 2 = ADC
@ -45,8 +44,8 @@ public class AdcImmToRm32Handler : InstructionHandler
/// <returns>True if the instruction was successfully decoded</returns>
public override bool Decode(byte opcode, Instruction instruction)
{
// Set the mnemonic
instruction.Mnemonic = "adc";
// Set the instruction type
instruction.Type = InstructionType.Adc;
if (!Decoder.CanReadByte())
{
@ -64,8 +63,15 @@ public class AdcImmToRm32Handler : InstructionHandler
// Read the immediate value in little-endian format
var imm32 = Decoder.ReadUInt32();
// Set the operands
instruction.Operands = $"{destOperand}, 0x{imm32:X8}";
// Create the immediate operand
var immOperand = OperandFactory.CreateImmediateOperand(imm32, 32);
// Set the structured operands
instruction.StructuredOperands =
[
destOperand,
immOperand
];
return true;
}

23
X86Disassembler/X86/Handlers/Adc/AdcImmToRm32SignExtendedHandler.cs
View File

@ -1,5 +1,7 @@
namespace X86Disassembler.X86.Handlers.Adc;
using X86Disassembler.X86.Operands;
/// <summary>
/// Handler for ADC r/m32, imm8 (sign-extended) instruction (0x83 /2)
/// </summary>
@ -8,11 +10,9 @@ public class AdcImmToRm32SignExtendedHandler : InstructionHandler
/// <summary>
/// Initializes a new instance of the AdcImmToRm32SignExtendedHandler 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 AdcImmToRm32SignExtendedHandler(byte[] codeBuffer, InstructionDecoder decoder, int length)
: base(codeBuffer, decoder, length)
public AdcImmToRm32SignExtendedHandler(InstructionDecoder decoder)
: base(decoder)
{
}
@ -27,11 +27,10 @@ public class AdcImmToRm32SignExtendedHandler : InstructionHandler
return false;
// Check if the reg field of the ModR/M byte is 2 (ADC)
int position = Decoder.GetPosition();
if (!Decoder.CanReadByte())
return false;
byte modRM = CodeBuffer[position];
byte modRM = Decoder.PeakByte();
byte reg = (byte) ((modRM & 0x38) >> 3);
return reg == 2; // 2 = ADC
@ -45,8 +44,8 @@ public class AdcImmToRm32SignExtendedHandler : InstructionHandler
/// <returns>True if the instruction was successfully decoded</returns>
public override bool Decode(byte opcode, Instruction instruction)
{
// Set the mnemonic
instruction.Mnemonic = "adc";
// Set the instruction type
instruction.Type = InstructionType.Adc;
if (!Decoder.CanReadByte())
{
@ -64,8 +63,12 @@ public class AdcImmToRm32SignExtendedHandler : InstructionHandler
// Read the immediate value (sign-extended from 8 to 32 bits)
int imm32 = (sbyte) Decoder.ReadByte();
// Set the operands
instruction.Operands = $"{destOperand}, 0x{imm32:X8}";
// Set the structured operands
instruction.StructuredOperands =
[
destOperand,
OperandFactory.CreateImmediateOperand(imm32, 32)
];
return true;
}