mirrors/ParkanPlayground
0
Fork 0
mirror of https://github.com/sampletext32/ParkanPlayground.git synced 2025-06-20 08:18:36 +03:00
Code Issues Releases Activity

new handlers and test fixes

Browse Source
This commit is contained in:
bird_egop
2025-04-16 20:54:08 +03:00
parent f654f64c71
commit 800915b534
20 changed files with 342 additions and 117 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
X86Disassembler/X86/Handlers/Mov/MovRm32Imm32Handler.cs
View File

@ -23,7 +23,22 @@ public class MovRm32Imm32Handler : InstructionHandler
/// <returns>True if this handler can decode the opcode</returns>
public override bool CanHandle(byte opcode)
{
return opcode == 0xC7;
if (opcode != 0xC7)
{
return false;
}
// Then check if we can peek at the ModR/M byte
if (!Decoder.CanReadByte())
{
return false;
}
// Peek at the ModR/M byte without advancing the position
var reg = ModRMDecoder.PeakModRMReg();
// MOV r/m8, imm8 only uses reg=0
return reg == 0;
}
/// <summary>
@ -38,13 +53,7 @@ public class MovRm32Imm32Handler : InstructionHandler
instruction.Type = InstructionType.Mov;
// Read the ModR/M byte
var (_, reg, _, destinationOperand) = ModRMDecoder.ReadModRM();
// MOV r/m32, imm32 only uses reg=0
if (reg != 0)
{
return false;
}
var (_, _, _, destinationOperand) = ModRMDecoder.ReadModRM();
// Check if we have enough bytes for the immediate value (4 bytes)
if (!Decoder.CanReadUInt())
@ -56,7 +65,7 @@ public class MovRm32Imm32Handler : InstructionHandler
uint imm32 = Decoder.ReadUInt32();
// Create the immediate operand
var sourceOperand = OperandFactory.CreateImmediateOperand(imm32, 32);
var sourceOperand = OperandFactory.CreateImmediateOperand(imm32);
// Set the structured operands
instruction.StructuredOperands =