Debugging with GDB Manual The GNU Source-Level Debugger (769148-001, March 2014)

compiling with the -g option for all source files except for the files
in system libraries. The valid options are:
Description
Options
Source level debugging is not available when the program is
compiled without -g.
none
Source level debugging is available for all the source files
except the source files in the system libraries. This option is the
default setting, when no options are specified.
no_sys_libs
Source level debugging is available for all the source files.all
show src-no-g Displays the current setting of source level debugging feature.
Support for using old DW-VIRTUALITY values
GDB enables you to use the old DW-VIRTUALITY values. Use the following commands to modify
or display the status of using old DW-VIRTUALITY values.
set old-vtable on|off Sets debugger to use old DW_VIRTUALITY values when turned
on.
show old-vtable Displays if the old DW_VIRTUALITY values are being used
currently.
Additional support for examining registers
GDB provides additional support for printing, changing the value, or setting specific registers and
henceforth helping you to examine the register usage. Following sections provide more information
on examining the registers.
Printing or changing the values of CFM and PFS registers
On Integrity systems, HP WDB prints Current Frame Marker (CFM) and Previous Frame State (PFS)
ar64 registers in two different formats:
raw values
special formats identifying the size of rotating registers, frames and locals.
For example:
184 HP-UX Configuration-Specific Information