cvs commit: src/gnu/usr.bin/gdb/kgdb Makefile kgdb.1 kgdb.h kthr.c main.c trgt.c trgt_alpha.c trgt_amd64.c trgt_i386.c trgt_ia64.c trgt_sparc64.c

[Alfred Perlstein]

* Marcel Moolenaar <marcel at FreeBSD.org> [040724 22:29] wrote:
> marcel      2004-07-25 05:29:15 UTC
> 
>   FreeBSD src repository
> 
>   Added files:
>     gnu/usr.bin/gdb/kgdb Makefile kgdb.1 kgdb.h kthr.c main.c 
>                          trgt.c trgt_alpha.c trgt_amd64.c 
>                          trgt_i386.c trgt_ia64.c trgt_sparc64.c 
>   Log:
>   Add the beginnings of kernel debugging support. the kgdb(1) tool
>   is basicly a shell on top of libgdb that knows about kernel threads,
>   kernel modules and kvm(3). As the word "beginnings" implies, not
>   all of the features have been implemented yet. The tool is useful
>   and I'd like feedback on the taken route.
>   
>   The simplest way to debug a kernel core file is:
>           kgdb -n 0
>   
>   This opens /var/crash/vmcore.0 with the corresponding kernel in
>   the object directory (kernel.debug is used if it exists).
>   
>   Typical things that need to be added are:
>   o  Auto loading of kernel modules,

Haev you seen grog's scripts that do this?  They are in the
4.x source tree under src/sys/modules/vinum/.gdb* (i think)

>   o  Handling of trapframes so that backtraces can be taken across
>      them,
>   o  Some fancy commands to extract useful information out of a core
>      file,
>   o  Various (probably many) other things.

Cool thank you!

-- 
- Alfred Perlstein
- Research Engineering Development Inc.
- email: bright at mu.org cell: 408-480-4684