From d7d7a32d477e8bfb66863fc332129dd909b3c013 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sat, 11 Apr 2020 13:57:28 +0200
Subject: LibX86: Disassemble unknown opcodes as "db %#02x"

---
 Libraries/LibX86/Instruction.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'Libraries')

diff --git a/Libraries/LibX86/Instruction.cpp b/Libraries/LibX86/Instruction.cpp
index 9d7ecc92bc..e4ae2367f5 100644
--- a/Libraries/LibX86/Instruction.cpp
+++ b/Libraries/LibX86/Instruction.cpp
@@ -1286,6 +1286,9 @@ String Instruction::to_string(u32 origin, bool x32) const
 
 String Instruction::to_string_internal(u32 origin, bool x32) const
 {
+    if (!m_descriptor)
+        return String::format("db %#02x", m_op);
+
     StringBuilder builder;
 
     String mnemonic = String(m_descriptor->mnemonic).to_lowercase();
-- 
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