The following predefined library units are provided.
package Ada
package Ada.Characters
package Ada.Characters.Handling
package Ada.Characters.Latin_1
package Ada.Characters.Wide_Latin_1
package Ada.Decimal
package Ada.Interfaces
package Ada.Interrupts
package Ada.Interrupts.Names
package Ada.Numerics (but not all child packages are supported)
package Ada.Real_Time
package Ada.Strings (but not all child packages are supported)
package Ada.Synchronous_Task_Control
function Ada.Unchecked_Conversion
package Interfaces (but not all child packages are supported)
package Machine_Code
package System (with child packages)
package XGC
package XGC.Assertions
package XGC.Exceptions
package XGC.Interrupts
package XGC.Serial_IO
package XGC.Tags
package XGC.Tasking (with child packages)
package XGC.Text_IO
function Unchecked_Conversion