TOPS-10 Monitor Calls Manual Volume 2 AA-K039D ... - Trailing-Edge

GETTAB TABLES
.GTSGN -
High Segment Parameters
GETTAB Table 14
CONTENTS
One word for each job running on the system, giving parameters for the
job's high segment.
Restriction: The definitions of the bits in this table may vary
from monitor release to monitor release; therefore you
should not reference this GETTAB in a program that is
monitor-independent.
INDEXED BY
Job number.
Monitor Table:
JBTSGN
CALLING SEQUENCE
MOVE ac, [XWD jobno, .GTSGN]
GETTAB ac,
error return
normal return
In the calling sequence, jobno is the number of a logged-in job.
-1 for the current job.
Use
Word
Symbol
1=============================================:==========1
0, ,14 .GTSGN* 1 High segment parameters 1
1=======================================================1
.GTSGN parameters are as follows:
Bits Symbol Meaning:
0 SN%SPY Job is spying. See bits 18-35 below.
1 SN%SHR Job high segment is sharable.
2 SN%UWP Job high segment is write-enabled.
3 SN%MDL Job high segment has been meddled.
4 Reserved.
5 SN%LOK Job high segment is locked into memory.
6 SN%NCS Job high segment is not cached.
7-9 Reserved.
10 SN%GTS Job high segment was obtained by GETSEG.
18-35 Defined as described below:
The right half of .GTSGN contains one of the following:
o If bit 0 = 0, then the right half contains the job high
segment index number.
o If bit 0 = 1, then the job is spying and the right half
contains the maximum exec virtual address that can be spied
upon.
23-26