Chapter 1

Modular Debugger Overview

The Modular Debugger (MDB) is a general purpose debugging tool for the Solaris OS whose primary feature is its extensibility. This book describes how to use MDB to debug complex software systems, with a particular emphasis on the facilities available for debugging the Solaris kernel and associated device drivers and modules. The book also includes a complete reference for and discussion of the MDB language syntax, debugger features, and MDB Module Programming API.