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Code Issues Releases Activity

remove more special cases. use standardized api

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This commit is contained in:
bird_egop
2025-04-14 01:52:33 +03:00
parent c9e854a663
commit 157171fa90
7 changed files with 247 additions and 256 deletions
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24
X86Disassembler/X86/Handlers/Cmp/CmpImmWithRm32Handler.cs
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@ -49,37 +49,27 @@ public class CmpImmWithRm32Handler : InstructionHandler
// Read the ModR/M byte
var (mod, reg, rm, memOperand) = ModRMDecoder.ReadModRM();
// Get the position after decoding the ModR/M byte
int position = Decoder.GetPosition();
// Check if we have enough bytes for the immediate value
if (!Decoder.CanReadUInt())
{
return false; // Not enough bytes for the immediate value
}
// Read the immediate value
if (!Decoder.CanReadUInt())
{
return false;
}
uint imm32 = Decoder.ReadUInt32();
// Format the destination operand based on addressing mode
string destOperand;
if (mod == 3) // Register addressing mode
{
// Get 32-bit register name
destOperand = ModRMDecoder.GetRegisterName(rm, 32);
}
else // Memory addressing mode
{
// Memory operand already includes dword ptr prefix
destOperand = memOperand;
memOperand = ModRMDecoder.GetRegisterName(rm, 32);
}
// Format the immediate value
string immStr = $"0x{imm32:X8}";
// Set the operands
instruction.Operands = $"{destOperand}, {immStr}";
instruction.Operands = $"{memOperand}, {immStr}";
return true;
}

2
X86Disassembler/X86/Handlers/Cmp/CmpImmWithRm32SignExtendedHandler.cs
View File

@ -48,8 +48,6 @@ public class CmpImmWithRm32SignExtendedHandler : InstructionHandler
// Set the mnemonic
instruction.Mnemonic = "cmp";
int position = Decoder.GetPosition();
if (!Decoder.CanReadByte())
{
return false;

3
X86Disassembler/X86/Handlers/Cmp/CmpImmWithRm8Handler.cs
View File

@ -50,9 +50,6 @@ public class CmpImmWithRm8Handler : InstructionHandler
// Read the ModR/M byte
var (mod, reg, rm, memOperand) = ModRMDecoder.ReadModRM();
// Get the position after decoding the ModR/M byte
int position = Decoder.GetPosition();
// Check if we have enough bytes for the immediate value
if (!Decoder.CanReadByte())