MDB Architecture

This page describes the internal architecture of MDB and how the source code is related.  At the moment, we are only able to provide a brief overview of the source code layout, but we will follow up with more specific documentation as it is written.

kmdb Architecture

A description of the design and implementation of kmdb can be found here.

Source Code Layout

The vast majority of the code for MDB resides within
usr/src/cmd/mdb.  A
support driver for kmdb can be found in
usr/src/uts/common/io/kmdb.
The precise layout within these directories can be somewhat confusing, so here is a brief overview.  We avoid discussing the MDB makefile system, as this is a family web site.

Directory                                              Description                 
common/mdb                   Core MDB infrastructure                     
common/kmdb                 Core kmdb infrastructure                    
common/libstand         kmdb support code                           
common/libstandctf   kmdb support code                           
common/modules           Generic MDB modules (kernel and userland)   
i86pc/modules             x86-specific MDB modules                        
intel/mdb                     x86-specific MDB support code               
intel/kmdb                   x86-specific kmdb support code              
sparc/mdb                     SPARC-specific MDB support code             
sparc/kmdb                   SPARC-specific kmdb support code            
sun4u/modules             sun4u-specific modules                      
sun4v/modules             sun4v-specific modules                      
demo                               Sample module shipped as /usr/demo/mdb    
tools                             Tools used when building kmdb               
uts/common/kmdb  kmdb support driver                         
last modified by admin on 2009/10/26 12:28
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