146 fn parse_address_map(section: &[u8]) -> Option<(&[U32<LittleEndian>], &[U32<LittleEndian>])> {  in parse_address_map()
147     let mut section = Bytes(section);  in parse_address_map()  localVariable
150     let count = section.read::<U32<LittleEndian>>().ok()?;  in parse_address_map()
152     let (offsets, section) =  in parse_address_map()
153         object::slice_from_bytes::<U32<LittleEndian>>(section.0, count).ok()?;  in parse_address_map()
154     let (positions, section) =  in parse_address_map()
155         object::slice_from_bytes::<U32<LittleEndian>>(section, count).ok()?;  in parse_address_map()
156     debug_assert!(section.is_empty());  in parse_address_map()
170 pub fn lookup_file_pos(section: &[u8], offset: usize) -> Option<FilePos> {  in lookup_file_pos()
171     let (offsets, positions) = parse_address_map(section)?;  in lookup_file_pos()
206     section: &'a [u8],  in iterate_address_map()
208     let (offsets, positions) = parse_address_map(section)?;  in iterate_address_map()