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

TNS Execution Modes
HP NonStop S-Series Server Description Manual—520331-004
6-67
Example of an External Procedure Call
Figure 6-36. Sequence of Events for an External Procedure Call
Z's
Local
Data
Z's ENV
User Data
XCAL 2
041
C [4075]
System Code
CALL READ (...)
22
42037
EXIT
42037
Proc READ
Procedure Z
.
.
.
.
.
.
Non-
Privileged
Group
Callable,
Privileged
Group
Uncallable,
Privileged
Group
C [0]
C [22]
C [41]
C [42037]
Procedure
Entry Point
(PEP) table
4075
Parameters
to READ
4075
P Register
READ's
Local
Data
System Data
SG [0]
G [0]
12 67 150
CS LS Index PEP No.
XEP Entry
User Code
Procedure
Entry Point
(PEP) Table
3
External Entry
Point (XEP)
Table
Stack Marker
Puts
Processor in
Privileged
Mode
L Register
S Register
1
2
3
4
5
P
L
1
0
VST301.vsd