NonStop S-Series Server Description Manual (G06.27+)

TNS Execution Modes
HP NonStop S-Series Server Description Manual—520331-004
6-57
Multiple Markers for Nested Calls
Figure 6-31. Nested Calls Create a Chain of Markers on the Stack
Code Segment
529
S Register
Data Segment
Global
Data
Main
Procedure A's
Local Data
Procedure B's
Local Data
Procedure C's
Local Data
Procedure D's
Local Data
G [0]
G [123]
452
L Register
C [0]
C [201]
C [564]
PCAL B
PCAL C
Main
Procedure
A
Procedure
B
C [1485]
PCAL D
ENV Register
P Register
Procedure
C
Procedure
D
G [163]
G [237]
G [452]
G [529]
P 201
L 123
P 564
B’s ENV
P 1485
L 237
A’s ENV
L 163
C’s ENV
VST296.vsd