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Updated instruction handlers to use factory methods instead of directly setting Size property

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bird_egop
2025-04-16 01:39:23 +03:00
parent e06ea2beb3
commit d4eb920e2f
10 changed files with 89 additions and 48 deletions
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5
X86Disassembler/X86/Handlers/Sub/SubImmFromRm16Handler.cs
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@ -62,10 +62,9 @@ public class SubImmFromRm16Handler : InstructionHandler
// For SUB r/m16, imm16 (0x81 /5 with 0x66 prefix):
// - The r/m field with mod specifies the destination operand (register or memory)
// - The immediate value is the source operand
var (_, _, _, destinationOperand) = ModRMDecoder.ReadModRM();
var (_, _, _, destinationOperand) = ModRMDecoder.ReadModRM16();
// Adjust the operand size to 16-bit
destinationOperand.Size = 16;
// Note: The operand size is already set to 16-bit by the ReadModRM16 method
// Check if we have enough bytes for the immediate value
if (!Decoder.CanReadUShort())

5
X86Disassembler/X86/Handlers/Sub/SubImmFromRm16SignExtendedHandler.cs
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@ -62,10 +62,9 @@ public class SubImmFromRm16SignExtendedHandler : InstructionHandler
// For SUB r/m16, imm8 (0x83 /5 with 0x66 prefix and sign extension):
// - The r/m field with mod specifies the destination operand (register or memory)
// - The immediate value is the source operand (sign-extended from 8 to 16 bits)
var (_, _, _, destinationOperand) = ModRMDecoder.ReadModRM();
var (_, _, _, destinationOperand) = ModRMDecoder.ReadModRM16();
// Adjust the operand size to 16-bit
destinationOperand.Size = 16;
// Note: The operand size is already set to 16-bit by the ReadModRM16 method
// Check if we have enough bytes for the immediate value
if (!Decoder.CanReadByte())

3
X86Disassembler/X86/Handlers/Sub/SubImmFromRm8Handler.cs
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@ -49,8 +49,7 @@ public class SubImmFromRm8Handler : InstructionHandler
// Read the ModR/M byte, specifying that we're dealing with 8-bit operands
var (_, _, _, destinationOperand) = ModRMDecoder.ReadModRM8();
// Ensure the destination operand has the correct size (8-bit)
destinationOperand.Size = 8;
// Note: The operand size is already set to 8-bit by the ReadModRM8 method
// Read the immediate byte
if (!Decoder.CanReadByte())

9
X86Disassembler/X86/Handlers/Sub/SubR16Rm16Handler.cs
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@ -43,14 +43,13 @@ public class SubR16Rm16Handler : InstructionHandler
return false;
}
// Read the ModR/M byte
var (_, reg, _, sourceOperand) = ModRMDecoder.ReadModRM();
// Read the ModR/M byte, specifying that we're dealing with 16-bit operands
var (_, reg, _, sourceOperand) = ModRMDecoder.ReadModRM16();
// Ensure the source operand has the correct size (16-bit)
sourceOperand.Size = 16;
// Note: The operand size is already set to 16-bit by the ReadModRM16 method
// Create the destination register operand (16-bit)
var destinationOperand = OperandFactory.CreateRegisterOperand((RegisterIndex)reg, 16);
var destinationOperand = OperandFactory.CreateRegisterOperand(reg, 16);
// Set the structured operands
instruction.StructuredOperands =

9
X86Disassembler/X86/Handlers/Sub/SubRm16R16Handler.cs
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@ -43,14 +43,13 @@ public class SubRm16R16Handler : InstructionHandler
return false;
}
// Read the ModR/M byte
var (_, reg, _, destinationOperand) = ModRMDecoder.ReadModRM();
// Read the ModR/M byte, specifying that we're dealing with 16-bit operands
var (_, reg, _, destinationOperand) = ModRMDecoder.ReadModRM16();
// Ensure the destination operand has the correct size (16-bit)
destinationOperand.Size = 16;
// Note: The operand size is already set to 16-bit by the ReadModRM16 method
// Create the source register operand (16-bit)
var sourceOperand = OperandFactory.CreateRegisterOperand((RegisterIndex)reg, 16);
var sourceOperand = OperandFactory.CreateRegisterOperand(reg, 16);
// Set the structured operands
instruction.StructuredOperands =