findCompileUnit

pub fn findCompileUnit(di: *const Dwarf, endian: Endian, target_address: u64) !*CompileUnit {
    for (di.compile_unit_list.items) |*compile_unit| {
        if (compile_unit.pc_range) |range| {
            if (target_address >= range.start and target_address < range.end) return compile_unit;
        }

        const ranges_value = compile_unit.die.getAttr(AT.ranges) orelse continue;
        var iter = DebugRangeIterator.init(ranges_value, di, endian, compile_unit) catch continue;
        while (try iter.next()) |range| {
            if (target_address >= range.start and target_address < range.end) return compile_unit;
        }
    }

    return missing();
}