diff --git a/.gdbinit b/.gdbinit
deleted file mode 100644
index b0041128..00000000
--- a/.gdbinit
+++ /dev/null
@@ -1,3 +0,0 @@
-set disassemble-next-line on
-file a.out
-break *0x10054
diff --git a/lib/elf/object_writer.rb b/lib/elf/object_writer.rb
index 9f33f4cb..7522d47b 100644
--- a/lib/elf/object_writer.rb
+++ b/lib/elf/object_writer.rb
@@ -37,10 +37,10 @@ module Elf
         meth = asm.callable
         asm.instructions.each do |label|
           next unless label.is_a?(Risc::Label)
-          add_symbol "#{meth.self_type.name}@#{meth.name}:Label=#{label.name}" , Risc::Position.get(label).at
+          add_symbol "#{meth.self_type.name}_#{meth.name}:Label=#{label.name}" , Risc::Position.get(label).at
         end
         meth.binary.each_block do |code|
-          label = "BinaryCode@#{meth.name}"
+          label = "BinaryCode_#{meth.name}"
           add_symbol label , Risc::Position.get(code).at
         end
       end