Listing 5. Adding a Unique ID Function



Code added to libc-start.c
void __ID_abcdefghijklmnopqrstuvwxyz( void )
{
}

The output, after compile:
$nm -p hello | grep ID
080966e0 r _nl_value_type_LC_IDENTIFICATION
08048320 T __ID_abcdefghijklmnopqrstuvwxyz
080a5e00 R _nl_C_LC_IDENTIFICATION
$