Using SCODB

Using SCODB

SCODB is a kernel debugger for SCO^® UNIX^® System V/386 Release 3.2 Operating System Version 4.2 and later releases. It features an easy-to-use interface and simple commands to provide as much useful information as possible for debugging device drivers and other kernel-level code.

This document describes how to use SCODB, and contains the following sections:

``Running SCODB''
``SCODB commands''
``Calling functions''
``Expressions, operators, and types''
``Breakpoints''
``Displaying symbol and expression types''
``Displaying registers''
``Dumping memory''
``Changing memory''
``Stack trace''
``Disassembly''
``Single-stepping''
``Function entry tracing''
``Command aliasing''
``Debugger variables''
``Advanced setup facilities''
``Earlier releases of SCODB''

Version 2.3.0 of SCODB is for the SCO OpenServer (TM) Release 5.0.4 kernel. The following features are new to this version:

support for emacs style editing (see ``Setting the edit mode'')
user-level scodb(ADM) debugging.