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Code Issues Releases Activity

Unified ADC accumulator handlers into a single handler

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This commit is contained in:
bird_egop
2025-04-17 01:33:58 +03:00
parent 8c9b34ef09
commit 3fc0ebf1d5
79 changed files with 2564 additions and 473 deletions
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8
X86Disassembler/X86/Handlers/Mov/MovMemRegHandler.cs
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@ -23,7 +23,13 @@ public class MovMemRegHandler : InstructionHandler
/// <returns>True if this handler can decode the opcode</returns>
public override bool CanHandle(byte opcode)
{
return opcode == 0x88 || opcode == 0x89;
// For 8-bit operations (0x88), no prefix check needed
if (opcode == 0x88)
return true;
// For 32-bit operations (0x89), only handle when operand size prefix is NOT present
// This ensures 16-bit handlers get priority when the prefix is present
return opcode == 0x89 && !Decoder.HasOperandSizePrefix();
}
/// <summary>

8
X86Disassembler/X86/Handlers/Mov/MovRegMemHandler.cs
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@ -23,7 +23,13 @@ public class MovRegMemHandler : InstructionHandler
/// <returns>True if this handler can decode the opcode</returns>
public override bool CanHandle(byte opcode)
{
return opcode == 0x8A || opcode == 0x8B;
// For 8-bit operations (0x8A), no prefix check needed
if (opcode == 0x8A)
return true;
// For 32-bit operations (0x8B), only handle when operand size prefix is NOT present
// This ensures 16-bit handlers get priority when the prefix is present
return opcode == 0x8B && !Decoder.HasOperandSizePrefix();
}
/// <summary>

2
X86Disassembler/X86/Handlers/Mov/MovRm32Imm32Handler.cs
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@ -34,7 +34,7 @@ public class MovRm32Imm32Handler : InstructionHandler
return false;
}
// Peek at the ModR/M byte without advancing the position
// Peak at the ModR/M byte without advancing the position
var reg = ModRMDecoder.PeakModRMReg();
// MOV r/m8, imm8 only uses reg=0

2
X86Disassembler/X86/Handlers/Mov/MovRm8Imm8Handler.cs
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@ -35,7 +35,7 @@ public class MovRm8Imm8Handler : InstructionHandler
return false;
}
// Peek at the ModR/M byte without advancing the position
// Peak at the ModR/M byte without advancing the position
var reg = ModRMDecoder.PeakModRMReg();
// MOV r/m8, imm8 only uses reg=0