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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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34
X86Disassembler/X86/Handlers/Test/TestImmWithRm32Handler.cs
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@ -1,3 +1,5 @@
using X86Disassembler.X86.Operands;
namespace X86Disassembler.X86.Handlers.Test;
/// <summary>
@ -8,11 +10,9 @@ public class TestImmWithRm32Handler : InstructionHandler
/// <summary>
/// Initializes a new instance of the TestImmWithRm32Handler 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 TestImmWithRm32Handler(byte[] codeBuffer, InstructionDecoder decoder, int length)
: base(codeBuffer, decoder, length)
public TestImmWithRm32Handler(InstructionDecoder decoder)
: base(decoder)
{
}
@ -36,7 +36,7 @@ public class TestImmWithRm32Handler : InstructionHandler
}
// Check if the reg field is 0 (TEST operation)
byte modRM = CodeBuffer[Decoder.GetPosition()];
byte modRM = Decoder.PeakByte();
byte reg = (byte)((modRM & 0x38) >> 3);
return reg == 0; // 0 = TEST
@ -50,7 +50,8 @@ public class TestImmWithRm32Handler : InstructionHandler
/// <returns>True if the instruction was successfully decoded</returns>
public override bool Decode(byte opcode, Instruction instruction)
{
instruction.Mnemonic = "test";
// Set the instruction type
instruction.Type = InstructionType.Test;
if (!Decoder.CanReadByte())
{
@ -58,13 +59,7 @@ public class TestImmWithRm32Handler : InstructionHandler
}
// Read the ModR/M byte
var (mod, reg, rm, destOperand) = ModRMDecoder.ReadModRM();
// For direct register addressing (mod == 3), the r/m field specifies a register
if (mod == 3)
{
destOperand = ModRMDecoder.GetRegisterName(rm, 32);
}
var (mod, reg, rm, destinationOperand) = ModRMDecoder.ReadModRM();
// Read the immediate value
if (!Decoder.CanReadUInt())
@ -73,9 +68,16 @@ public class TestImmWithRm32Handler : InstructionHandler
}
uint imm32 = Decoder.ReadUInt32();
// Set the operands
instruction.Operands = $"{destOperand}, 0x{imm32:X8}";
// Create the source immediate operand
var sourceOperand = OperandFactory.CreateImmediateOperand(imm32, 32);
// Set the structured operands
instruction.StructuredOperands =
[
destinationOperand,
sourceOperand
];
return true;
}