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Code Issues Releases Activity

remove duplicate registration

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This commit is contained in:
bird_egop 2025-04-18 01:02:14 +03:00
parent 66f9e838ad
commit 84d5652a62
2 changed files with 24 additions and 26 deletions
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30
X86Disassembler/X86/Handlers/InstructionHandlerFactory.cs
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@ -76,7 +76,7 @@ public class InstructionHandlerFactory
RegisterImulHandlers(); // IMUL instructions
RegisterDivHandlers(); // DIV instructions
RegisterIdivHandlers(); // IDIV instructions
RegisterDataTransferHandlers(); // MOV, MOVZX, MOVSX
RegisterXchgHandlers(); // XCHG
RegisterJumpHandlers(); // JMP instructions
RegisterCallHandlers(); // CALL instructions
RegisterReturnHandlers(); // RET instructions
@ -350,20 +350,10 @@ public class InstructionHandlerFactory
}
/// <summary>
/// Registers all Data Transfer instruction handlers
/// Registers all XCHG instruction handlers
/// </summary>
private void RegisterDataTransferHandlers()
private void RegisterXchgHandlers()
{
// Add MOV handlers
_handlers.Add(new MovRegMemHandler(_decoder)); // MOV r32, r/m32 (opcode 8B)
_handlers.Add(new MovMemRegHandler(_decoder)); // MOV r/m32, r32 (opcode 89)
_handlers.Add(new MovRegImm32Handler(_decoder)); // MOV r32, imm32 (opcode B8 + register)
_handlers.Add(new MovRegImm8Handler(_decoder)); // MOV r32, imm8 (opcode B0 + register)
_handlers.Add(new MovEaxMoffsHandler(_decoder)); // MOV EAX, moffs32 (opcode A1)
_handlers.Add(new MovMoffsEaxHandler(_decoder)); // MOV moffs32, EAX (opcode A3)
_handlers.Add(new MovRm32Imm32Handler(_decoder)); // MOV r/m32, imm32 (opcode C7 /0)
_handlers.Add(new MovRm8Imm8Handler(_decoder)); // MOV r/m8, imm8 (opcode C6 /0)
// Add XCHG handlers
_handlers.Add(new XchgEaxRegHandler(_decoder)); // XCHG EAX, r32 (opcode 90 + register)
}
@ -404,16 +394,6 @@ public class InstructionHandlerFactory
_handlers.Add(new FloatingPoint.Arithmetic.FidivInt32Handler(_decoder)); // FIDIV int32 (DA /6)
_handlers.Add(new FloatingPoint.Arithmetic.FidivrInt32Handler(_decoder)); // FIDIVR int32 (DA /7)
// DC opcode handlers (float64 operations)
_handlers.Add(new FloatingPoint.Arithmetic.FaddFloat64Handler(_decoder)); // FADD float64 (DC /0)
_handlers.Add(new FloatingPoint.Arithmetic.FmulFloat64Handler(_decoder)); // FMUL float64 (DC /1)
_handlers.Add(new FloatingPoint.Comparison.FcomFloat64Handler(_decoder)); // FCOM float64 (DC /2)
_handlers.Add(new FloatingPoint.Comparison.FcompFloat64Handler(_decoder)); // FCOMP float64 (DC /3)
_handlers.Add(new FloatingPoint.Arithmetic.FsubFloat64Handler(_decoder)); // FSUB float64 (DC /4)
_handlers.Add(new FloatingPoint.Arithmetic.FsubrFloat64Handler(_decoder)); // FSUBR float64 (DC /5)
_handlers.Add(new FloatingPoint.Arithmetic.FdivFloat64Handler(_decoder)); // FDIV float64 (DC /6)
_handlers.Add(new FloatingPoint.Arithmetic.FdivrFloat64Handler(_decoder)); // FDIVR float64 (DC /7)
// DD opcode handlers (load/store float64 operations)
_handlers.Add(new FloatingPoint.LoadStore.FldFloat64Handler(_decoder)); // FLD float64 (DD /0)
_handlers.Add(new FloatingPoint.LoadStore.FstFloat64Handler(_decoder)); // FST float64 (DD /2)
@ -467,7 +447,7 @@ public class InstructionHandlerFactory
_handlers.Add(new FloatingPoint.Arithmetic.FdivRegisterHandler(_decoder)); // FDIV ST(0), ST(i) (D8 F0-F7)
_handlers.Add(new FloatingPoint.Arithmetic.FdivrRegisterHandler(_decoder)); // FDIVR ST(0), ST(i) (D8 F8-FF)
// DC opcode handlers (register-register operations)
// DC opcode handlers (memory operations - float64)
_handlers.Add(new FloatingPoint.Arithmetic.FaddFloat64Handler(_decoder)); // FADD float64 (DC /0)
_handlers.Add(new FloatingPoint.Arithmetic.FmulFloat64Handler(_decoder)); // FMUL float64 (DC /1)
_handlers.Add(new FloatingPoint.Comparison.FcomFloat64Handler(_decoder)); // FCOM float64 (DC /2)
@ -476,6 +456,8 @@ public class InstructionHandlerFactory
_handlers.Add(new FloatingPoint.Arithmetic.FsubrFloat64Handler(_decoder)); // FSUBR float64 (DC /5)
_handlers.Add(new FloatingPoint.Arithmetic.FdivFloat64Handler(_decoder)); // FDIV float64 (DC /6)
_handlers.Add(new FloatingPoint.Arithmetic.FdivrFloat64Handler(_decoder)); // FDIVR float64 (DC /7)
// DC opcode handlers (register operations)
_handlers.Add(new FloatingPoint.Comparison.FcomRegisterHandler(_decoder)); // FCOM ST(i), ST(0) (DC D0-D7)
_handlers.Add(new FloatingPoint.Comparison.FcompRegisterHandler(_decoder)); // FCOMP ST(i), ST(0) (DC D8-DF)

16
X86DisassemblerTests/InstructionTests/InstructionHandlerFactoryTests.cs
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@ -40,5 +40,21 @@ public class InstructionHandlerFactoryTests
{
Assert.Contains(handlers, x => x.GetType() == handlerType);
}
var uniqueRegisteredHandlers = new HashSet<string>();
var duplicates = new List<string>();
foreach (var handler in handlers)
{
if (!uniqueRegisteredHandlers.Add(handler.GetType().Name))
{
duplicates.Add(handler.GetType().Name);
}
}
if (duplicates.Count != 0)
{
Assert.Fail($"The following handlers are registered more than 1 time:\n" +
$"{string.Join("\n", duplicates)}");
}
}
}