[0-9a-f]* g F .text [0-9a-f]* (0x[0-9a-f][0-9a-f] )?show_foo@
[0-9a-f]* g F .text [0-9a-f]* (0x[0-9a-f][0-9a-f] )?show_foo@VERS_1.1
[0-9a-f]* g F .text [0-9a-f]* (0x[0-9a-f][0-9a-f] )?show_foo@@VERS_1.2