dg[a] [range]
The dg command displays the specified range of entries in the global descriptor table (GDT).
range
Specifies the range of entries in the GDT. If you omit range, the debugger displays the entire contents of the GDT.
a
Causes all entries in the table to be displayed, not just the valid entries. By default, only the valid GDT entries are displayed. If the command is passed a local descriptor table (LDT) selector, it displays the appropriate LDT entry.
The following example displays only the valid entries from 0h to 40h in the GDT:
dg 0 40
The resulting display is similar to the following:
0008 Data Seg Base=01D700 Limit=3677 DPL=0 Present ReadWriteAccessed
0010 TSS Desc Base=007688 Limit=002B DPL=0 Present Busy
0018 Data Seg Base=020D7A Limit=03FF DPL=0 Present ReadWrite
0020 Data Seg Base=000000 Limit=03FF DPL=0 Present ReadWrite
0028 LDT Desc Base=000000 Limit=0000 DPL=0 Present
0030 Data Seg Base=000000 Limit=0000 DPL=0 Present ReadWrite
0040 Data Seg Base=000400 Limit=03BF DPL=3 Present ReadWrite