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Debug provides non-privileged and
privileged users with both interactive and programmatic debugging facilities for examining their operating environments. Debug enables you to do the following: Set, delete, and list breakpoints in a program. The program executes
until a breakpoint is reached, then stops and passes control to the user.
When you set breakpoints, you can specify a list of commands
that automatically are executed when the breakpoint is hit. Single step (multiple steps) through a program. Display and/or modify the contents of memory locations. A full set of
addressing modes is offered, including absolute CM memory, code segment
relative, data segment relative, S relative, Q relative, DB relative,
HP Precision Architecture virtual addresses,
and HP Precision Architecture real memory addresses. Display a symbolic procedure stack trace,
optionally displaying interleaved NM and CM calls.
You can also set the current
debug environment back temporarily to the environment which existed at
any marker on the stack.
Calculate the value of expressions in order to determine the correct
values of variables at a given point in a program. Values can be custom
formatted in several bases.
Use new full screen displays (windows) which allow inspection
of registers, program code, the current stack frame, and the top of stack.
Groups of custom user windows can be aimed at important data blocks
to monitor changing values dynamically.
Display online help for all commands, predefined functions, and
environment variables.
Create and reference user-defined variables.
Define powerful parameterized macros. Macros can be invoked as
new commands to perform useful sequences of commands, or as functions
within expressions that return single values.
Define aliases for command and macro names.
Execute commands from a file, record all user input to a log file, and
record all Debug output to a list file.
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