Technical data
System Dump Analyzer
EXAMINE
Examining Memory Regions
You can display an entire region of virtual memory by using one or more of the
qualifiers /ALL, /SYSTEM, /P0, and P1, with the EXAMINE command.
Other Uses
Other uses of the EXAMINE command appear in the following examples.
Examples
1.
SDA> EXAMINE/SYSTEM
System Region Memory
--------------------
00040039 8FBC0010 00040038 8FBC0010 ....8.......9... 800000000
.
.
.
This example shows only the first two lines of the display generated by the
EXAMINE/SYSTEM command. Note that in the dump the fifth byte from the
right contains the value 38
16
. The ASCII value of 38
16
, the character 8, is
represented in the fifth character from the left in column 5.
Likewise, the thirteenth byte from the right in the dump columns contains
the value 39
16
. The ASCII value of 39
16
is 9, and 9 is represented in the
ASCII column as the thirteenth character from the left.
2.
SDA> EXAMINE/PSL G1268
CMP TP FPD IS CURMOD PRVMOD IPL DV FU IV T N Z V C
1 0 0 0 KERN KERN 00 0 1 0 1 1 1 0 0
This example shows the display produced by the EXAMINE/PSL command.
The address of the longword examined is 80001268
16
.
3.
SDA> EXAMINE/PTE G775F480
|31 28|27 24|23 20|19 16|15 12|11 8|7
|||||||
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+-->
|1 | 1 1 1 0 |1 |--| 0 0 |--| 0| 00F0F4
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+-->
Vld Prot= URKW M Own=K W Page Frame Number
Page is Active and Valid
The EXAMINE/PTE command displays and formats the system page table
entry at 8775F480
16
.
4.
SDA> EXAMINE/TIME EXE$GQ_SYSTIME
18-FEB-1993 02:07:25.88
The EXAMINE/TIME command displays the formatted value of the system
time quadword (EXE$GQ_SYSTIME).
SDA–56