armadillo:~# gdisk -l /dev/mmcblk1                                           
GPT fdisk (gdisk) version 1.0.9.1                                            
                                                                             
Partition table scan:                                                        
  MBR: protective                                                            
  BSD: not present                                                           
  APM: not present                                                           
  GPT: present                                                               
                                                                             
Found valid GPT with protective MBR; using GPT.                              
Disk /dev/mmcblk1: 15523840 sectors, 7.4 GiB                                 
Sector size (logical/physical): 512/512 bytes                                
Disk identifier (GUID): 452503E1-E408-49F3-9D01-2EDE908A62FA                 
Partition table holds up to 128 entries                                      
Main partition table begins at sector 20448 and ends at sector 20479         
First usable sector is 20480, last usable sector is 15523806                 
Partitions will be aligned on 2048-sector boundaries                         
Total free space is 14725086 sectors (7.0 GiB)                               
                                                                             
Number  Start (sector)    End (sector)  Size       Code  Name                
   1           20480          798720   380.0 MiB   8300  rootfs_0