+--------------------------------------+
|          Module Name Entry           |
|            (GSD Type 0)              |
+--------------------------------------+
|            - Optional -              |
| Program Version Identification Entry |
|            (GSD Type 6)              |
+--------------------------------------+
|     Control Section Name Entry       |
|            (GSD Type 1)              |
| A zero-length CSECT with name . ABS. |
+--------------------------------------+
|     Global Symbol Name Entries       |
|            (GSD Type 4)              |
|  These are all absolute and contain  |
|          only definitions.           |
+--------------------------------------+
|         ENDGSD Data Block            |
+--------------------------------------+
|         ENDMOD Data Block            |
+--------------------------------------+