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more refactoring

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This commit is contained in:
bird_egop
2025-04-14 01:08:14 +03:00
parent f54dc10596
commit 99b93523a4
78 changed files with 379 additions and 594 deletions
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11
X86Disassembler/X86/Handlers/Sbb/SbbImmFromRm32Handler.cs
View File

@ -27,11 +27,10 @@ public class SbbImmFromRm32Handler : InstructionHandler
return false;
// Check if the reg field of the ModR/M byte is 3 (SBB)
int position = Decoder.GetPosition();
if (position >= Length)
if (!Decoder.CanReadByte())
return false;
byte modRM = CodeBuffer[position];
byte modRM = CodeBuffer[Decoder.GetPosition()];
byte reg = (byte) ((modRM & 0x38) >> 3);
return reg == 3; // 3 = SBB
@ -48,9 +47,7 @@ public class SbbImmFromRm32Handler : InstructionHandler
// Set the mnemonic
instruction.Mnemonic = "sbb";
int position = Decoder.GetPosition();
if (position >= Length)
if (!Decoder.CanReadByte())
{
return false;
}
@ -59,7 +56,7 @@ public class SbbImmFromRm32Handler : InstructionHandler
var (mod, reg, rm, destOperand) = ModRMDecoder.ReadModRM();
// Read the immediate value
if (position + 3 >= Length)
if (!Decoder.CanReadUInt())
{
return false;
}

11
X86Disassembler/X86/Handlers/Sbb/SbbImmFromRm32SignExtendedHandler.cs
View File

@ -27,11 +27,10 @@ public class SbbImmFromRm32SignExtendedHandler : InstructionHandler
return false;
// Check if the reg field of the ModR/M byte is 3 (SBB)
int position = Decoder.GetPosition();
if (position >= Length)
if (!Decoder.CanReadByte())
return false;
byte modRM = CodeBuffer[position];
byte modRM = CodeBuffer[Decoder.GetPosition()];
byte reg = (byte) ((modRM & 0x38) >> 3);
return reg == 3; // 3 = SBB
@ -48,9 +47,7 @@ public class SbbImmFromRm32SignExtendedHandler : InstructionHandler
// Set the mnemonic
instruction.Mnemonic = "sbb";
int position = Decoder.GetPosition();
if (position >= Length)
if (!Decoder.CanReadByte())
{
return false;
}
@ -59,7 +56,7 @@ public class SbbImmFromRm32SignExtendedHandler : InstructionHandler
var (mod, reg, rm, destOperand) = ModRMDecoder.ReadModRM();
// Read the immediate value (sign-extended from 8 to 32 bits)
if (position >= Length)
if (!Decoder.CanReadByte())
{
return false;
}