System Debug Reference Manual (32650-90888)

Chapter 6 261
System Debug Command Specifications M-X
SYMINFO
Syntax
SYMINFO [ symname ] [ option ] [ offset ] [ length ]
This command is generally only useful to System Debug developers and people debugging
the contents of the symbolic data type files.
Parameters
symname The symbolic name under which the symbolic data type file is referenced.
If the symbolic name is omitted, then the last file which was opened with
SYMOPEN is selected.
option One of the following options can be specified. If none is specified, HEADER is
assumed.
HEADER Display info about the System Object Module header
within the symbolic data type file.
SOM Display data in the System Object Module portion of the
symbolic data type file at the indicated offset and length.
LST Display data in the LST portion of the symbolic data type
file at the indicated offset and length.
offset For the SOM and LST options, this parameter specifies the byte offset
within the System Object Module or LST area of the file where to begin
dumping data. The default value is 0.
length For the SOM and LST options, this parameter specifies how many bytes to
dump. The default value is 16. All length values are rounded to the next
highest multiple of 16.
Examples
$nmdebug > syminfo
Som file name: SYMOS.PUB.SYS Symname: SYMOS
Som file length: 006735e0 Som offset: 00004000 Som length: 0066f5e0
Sp dir loc: 00007000 Sp dir len: 00000003
Sub sp dir loc: 00000138 Sub sp dir len: 00000019
String loc: 0000706c String len: 00000298
DEBUG space:2
Header: 000150e0 00000010 Subsp_index: 14
GNTT: 000150f0 00001280 Subsp_index: 15
LNTT: 00016370 00101310 Subsp_index: 16
SLT: 00117680 00014f38 Subsp_index: 17
VT: 0012c5b8 00543028 Subsp_index: 18
Debug header info: 0000004a 0000004a 00000000 00002a2f
Const Lookup table: 0064b45c 0001c9f0
Type Lookup table: 00667e4c 00007780
Show the header (default) information for the most recently accessed symbolic file.