Try not parsing the entire map

Author: workingjubilee

src/symbolize/gimli/parse_running_mmaps_unix.rs

@@ -91,32 +91,32 @@ impl FromStr for MapsEntry {
         let mut parts = s
             .split_ascii_whitespace();
         let range_str = parts.next().ok_or(missing_field)?;
-        let perms_str = parts.next().ok_or(missing_field)?;
-        let offset_str = parts.next().ok_or(missing_field)?;
-        let dev_str = parts.next().ok_or(missing_field)?;
-        let inode_str = parts.next().ok_or(missing_field)?;
-        let pathname_str = parts.next().unwrap_or(""); // pathname may be omitted.
+        // let perms_str = parts.next().ok_or(missing_field)?;
+        // let offset_str = parts.next().ok_or(missing_field)?;
+        // let dev_str = parts.next().ok_or(missing_field)?;
+        // let inode_str = parts.next().ok_or(missing_field)?;
+        let pathname_str = parts.skip(4).next().unwrap_or(""); // pathname may be omitted.
 
         let hex = |s| usize::from_str_radix(s, 16).map_err(|_| parse_err);
         let address = if let Some((start, limit)) = range_str.split_once('-') {
             (hex(start)?, hex(limit)?)
         } else {
             return Err(parse_err);
         };
-        let _perms = if let &[r, w, x, p, ..] = perms_str.as_bytes() {
-            // If a system in the future adds a 5th field to the permission list,
-            // there's no reason to assume previous fields were invalidated.
-            [r, w, x, p]
-        } else {
-            return Err(parse_err);
-        };
-        let _offset = hex(offset_str)?;
-        let _dev = if let Some((major, minor)) = dev_str.split_once(':') {
-            (hex(major)?, hex(minor)?)
-        } else {
-            return Err(parse_err);
-        };
-        let _inode = hex(inode_str)?;
+        // let _perms = if let &[r, w, x, p, ..] = perms_str.as_bytes() {
+        //     // If a system in the future adds a 5th field to the permission list,
+        //     // there's no reason to assume previous fields were invalidated.
+        //     [r, w, x, p]
+        // } else {
+        //     return Err(parse_err);
+        // };
+        // let _offset = hex(offset_str)?;
+        // let _dev = if let Some((major, minor)) = dev_str.split_once(':') {
+        //     (hex(major)?, hex(minor)?)
+        // } else {
+        //     return Err(parse_err);
+        // };
+        // let _inode = hex(inode_str)?;
         let pathname = pathname_str.into();
 
         Ok(MapsEntry {