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decompiler iter1

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bird_egop
2025-04-18 23:46:51 +03:00
parent 0ddbfd2951
commit de2e4312fb
12 changed files with 1486 additions and 140 deletions
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34
X86Disassembler/Analysers/PseudocodeGenerator.cs
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@@ -157,7 +157,39 @@ public class PseudocodeGenerator
// Check if this block ends with a conditional jump
bool hasConditionalJump = block.Instructions.Count > 0 &&
IsConditionalJump(block.Instructions[^1].Type);
IsConditionalJump(block.Instructions[^1].Type);
// Add debug info about conditional jumps
if (hasConditionalJump)
{
var jumpInstruction = block.Instructions[^1];
result.AppendLine($"{new string(' ', indentLevel * 4)}// DEBUG: Conditional jump {jumpInstruction} detected");
// Get the jump target address
ulong targetAddress = GetJumpTargetAddress(jumpInstruction);
result.AppendLine($"{new string(' ', indentLevel * 4)}// DEBUG: Jump target: 0x{targetAddress:X8}");
// Check if we can find a comparison instruction before the jump
Instruction? comparisonInstruction = null;
for (int i = block.Instructions.Count - 2; i >= 0 && i >= block.Instructions.Count - 5; i--)
{
var instruction = block.Instructions[i];
if (instruction.Type == InstructionType.Cmp || instruction.Type == InstructionType.Test)
{
comparisonInstruction = instruction;
break;
}
}
if (comparisonInstruction != null)
{
result.AppendLine($"{new string(' ', indentLevel * 4)}// DEBUG: Found comparison: {comparisonInstruction}");
}
else
{
result.AppendLine($"{new string(' ', indentLevel * 4)}// DEBUG: No comparison instruction found");
}
}
// If this block has a conditional jump but wasn't detected as an if-else structure,
// we'll create an inline if statement for better readability