diff --git a/src/main.rs b/src/main.rs
index c00467d..ae5b142 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,25 +12,95 @@ struct Cli {
     ver: u32,
 }
 
+mod tests {
+
+    use super::*;
+    #[test]
+    fn test_lldb() {
+        let text = "0x3a6 <+22>: fea42623                 sw     a0, -0x14(s0)
+    0x3aa <+26>: 0940003f 00200020               
+    0x3b2 <+34>: 021f 0000 1000                  
+    0x3b8 <+40>: 084f940b                        
+    0x3bc <+44>: b8f2                            
+    0x3be <+46>: 084f940b                        
+    0x3c2 <+50>: b8f2                            
+    0x3c4 <+52>: ff042503                 lw     a0, -0x10(s0) ";
+
+        for (i, line) in text.lines().enumerate() {
+            if let Ok(data) = parse_insn(&line.to_owned()) {
+                println!("{i}: {}", decoder::decode(data.0, data.1).unwrap());
+                assert!(if [1, 2, 3, 4, 5, 6].iter().find(|x| **x == i).is_some() {
+                    true
+                } else {
+                    false
+                });
+            } else {
+                println!("{line}");
+            }
+        }
+    }
+
+    #[test]
+    fn test_llvm() {
+        let text = "
+     3a6: fea42623     	sw	a0, -0x14(s0)
+     3aa: 0940003f 00200020    	<unknown>
+     3b2: 021f 0000 1000       	<unknown>
+     3b8: 084f940b     	<unknown>
+     3bc: b8f2         	fsd	ft8, 0x70(sp)
+     3be: 084f940b     	<unknown>
+     3c2: b8f2         	fsd	ft8, 0x70(sp)
+     3c4: ff042503     	lw	a0, -0x10(s0)";
+
+        for (i, line) in text.lines().enumerate() {
+            if let Ok(data) = parse_insn(&line.to_owned()) {
+                println!("{i}:  {}", decoder::decode(data.0, data.1).unwrap());
+                assert!(if [2, 3, 4, 6].iter().find(|x| **x == i).is_some() {
+                    true
+                } else {
+                    false
+                });
+            } else {
+                println!("{line}");
+            }
+        }
+    }
+}
+
 // Frames
 fn parse_insn(line: &String) -> Result<(usize, Vec<u16>), ()> {
     // lines are  addr: bytes  <unknown>
     let bstart: usize = line.find(":").ok_or(())?;
-    let bend = line.find("<unknown>").ok_or(())?;
-
     let mut sz = 0;
     let mut bytes = vec![];
-    for data in line[bstart + 1..bend].trim().split(" ") {
-        if data.len() == 8 {
-            sz += 4;
-            bytes.push(u16::from_str_radix(&data[0..4], 16).map_err(|_| ())?);
-            bytes.push(u16::from_str_radix(&data[4..8], 16).map_err(|_| ())?);
-        } else {
-            sz += 2;
-            bytes.push(u16::from_str_radix(&data[0..4], 16).map_err(|_| ())?);
+
+    // llvm objdump style
+    if let Ok(bend) = line.find("<unknown>").ok_or(()) {
+        for data in line[bstart + 1..bend].trim().split(" ") {
+            let data = data.trim();
+            if data.len() == 8 {
+                sz += 4;
+                bytes.push(u16::from_str_radix(&data[0..4], 16).map_err(|_| ())?);
+                bytes.push(u16::from_str_radix(&data[4..8], 16).map_err(|_| ())?);
+            } else {
+                sz += 2;
+                bytes.push(u16::from_str_radix(&data[0..4], 16).map_err(|_| ())?);
+            }
+        }
+    } else {
+        for data in line[bstart + 1..].trim().split(" ") {
+            if data.len() == 8 {
+                sz += 4;
+                bytes.push(u16::from_str_radix(&data[0..4], 16).map_err(|_| ())?);
+                bytes.push(u16::from_str_radix(&data[4..8], 16).map_err(|_| ())?);
+            } else if data.len() == 4 {
+                sz += 2;
+                bytes.push(u16::from_str_radix(&data[0..4], 16).map_err(|_| ())?);
+            } else {
+                return Err(());
+            }
         }
     }
-
     Ok((sz, bytes))
 }
 
@@ -46,7 +116,7 @@ fn parse_line(s: &String) -> Result<String, ()> {
 }
 
 fn main() {
-    let _cli  = Cli::parse();
+    let _cli = Cli::parse();
     for line in std::io::stdin().lines() {
         if let Ok(data) = line {
             if let Ok(dline) = parse_line(&data) {