GCC: (Buildroot 2012.02) 4.5.3
.symtab .strtab .shstrtab .rel.text .rel.data .bss .ARM.extab .rel.ARM.exidx .rel.init.text .ARM.extab.init.text .rel.ARM.exidx.init.text .rel.exit.text .ARM.extab.exit.text .rel.ARM.exidx.exit.text .rel.exitcall.exit .rodata.str1.1 .rel.initcall6.init .comment .note.GNU-stack .ARM.attributes
linux_gpio.c $a gpio_open $d gpio_release gpio_ioctl gpio_init gpio_exit __exitcall_gpio_exit __initcall_gpio_init6 gpio_fops gpio_sih gpio_major __key.27212 gpiodev_class __aeabi_unwind_cpp_pr0 __copy_from_user __memzero si_gpioreserve si_gpiorelease si_gpioout si_gpioouten si_gpioin __copy_to_user si_kattach __register_chrdev __class_create printk device_create device_destroy class_destroy __unregister_chrdev si_detach