z/OS V1R9.0 UNIX System Services Command ... - Christian Grothoff

dbx: set
$r General register.
$repeat
Repeats the previous command if no command was entered.
$showbases
When set, dbx will show base class data when a derived class is printed.
$sigblock
Blocks all signals from reaching the program being debugged.
$sticky_debug
When set, dbx will recognize sticky bit programs and DLLs in the loadmap.
$t Thread variables
$tv_events
When set, dbx notifies the user but does not stop when a thread object
event is processed. The following trace information is sent to the user for
the different events:
(dbx) cont
.
.
IPT create, thid=0x1234567890123456, stack=5200
IPT exit, thid=0x1234567890123456
tv create, thid=0x1234567890123456, created thid=0x1234567890123422,
stack=5200
tv created, thid=0x1234567890123456, stack=5200
tv exit, thid=0x1234567890123456
tv wait, thid=0x1234567890123456, joining thid=0x1234567890123422
tv unwait, thid=0x1234567890123456, joined thid=0x1234567890123422
$unsafeassign
Turns off strict type checking between the two sides of an assign
subcommand.
$unsafebounds
Turns off subscript checking on arrays.
$unsafecall
Turns off strict type checking for arguments to subroutines or function calls.
$unsafegoto
Turns off the goto subcommand destination checking.
$vardim
Specifies the dimension length to use when printing arrays with unknown
bounds. The default value is 10. This variable is not supported.
$vectint
Displays the vector register contents as integer values. (This is the default).
This variable is not supported.
Usage notes
1. The $unsafe variables limit the usefulness of the dbx debug program in
detecting errors.
2. The set subcommand can be run only while the dbx debug program is running.
Examples
1. To change the default number of lines to be listed to 20, enter:
set $listwindow=20
2. To disable type checking on the assign subcommand, enter:
218 z/OS V1R9.0 UNIX System Services Command Reference