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[dragonfly.git] / share / misc / gdbinit

#
# Command file for the GNU Debugger, for kernel debugging.
#
# This file can either be put in your home directory as ~/.gdbinit,
# or selected at run time as:
#
#       'gdb -k -q -x /usr/share/misc/gdbinit ...'
#
set print union
set history expansion on

define pcomm
        printf "%10s\n",$arg0->td_comm
end

define lsvfs
        set $vfc = (struct vfsconf *)vfsconf_list.stqh_first
        printf "\nFilesystem      Refs    Flags\n"
        while ($vfc != 0)
                printf "%-10s %6d       0x%08x\n", $vfc->vfc_name, \
                        $vfc->vfc_refcount, $vfc->vfc_flags
                set $vfc = $vfc->vfc_next.stqe_next
        end
end

define lsmount
        set $mnt = (mountlist->tqh_first)
        while ($mnt != 0)
                print *$mnt
                set $mnt = $mnt->mnt_list->tqe_next
        end
end

define lsvfsops
        set $vfc = (struct vfsconf *)vfsconf_list.stqh_first
        while ($vfc != 0)
                printf "Filesystem: %s, Refs: %d, Flags: 0x%08x\n", \
                        $vfc->vfc_name, $vfc->vfc_refcount, $vfc->vfc_flags
                printf "VFS ops: \n"
                set print pretty
                print *$vfc->vfc_vfsops
                set print pretty off
                set $vfc = $vfc->vfc_next.stqe_next
        end
end


define kldstat
        set $kld = linker_files.tqh_first
        printf "\nId Refs Address    Size     Name\n"
        while ($kld != 0)
                printf "%2d %4d 0x%08x %-8x %s\n", \
                $kld->id, $kld->refs, $kld->address, $kld->size, $kld->filename
                set $kld = $kld->link.tqe_next
        end
end

define psx
    set $cpu = 0
    printf "\ncpu  pid    thread    flags comm               wchan    wmesg\n"
    while ($cpu < ncpus)
        set $gd = &((struct privatespace *)&CPU_prvspace)[$cpu].mdglobaldata
        set $td = $gd->mi.gd_tdallq.tqh_first
        while ( $td != 0 )
            if ( $td->td_proc != 0 )
                set $pid = $td->td_proc->p_pid
            else
                set $pid = -1
            end
            if ( $td->td_wmesg != 0 )
                printf "%3d %5d %08x %08x %-18s %08x %s\n",     \
                    $cpu, $pid, $td, $td->td_flags, $td->td_comm, $td->td_wchan, \
                    $td->td_wmesg
            else
                printf "%3d %5d %08x %08x %-18s %08x\n",        \
                    $cpu, $pid, $td, $td->td_flags, $td->td_comm, $td->td_wchan
            end
            set $td = $td->td_allq.tqe_next
        end
        set $cpu = $cpu + 1
    end
end


define running_threads
    set $icpu = 0
        printf "\ncpu    curthread    wchan\n"
        while ($icpu < ncpus)
            set $ipvspace = (struct privatespace *)&CPU_prvspace
                set $gd = $ipvspace[$icpu].mdglobaldata.mi
                set $td = $gd.gd_curthread
            printf "%d    %10s    %08x\n", \
                        $gd.gd_cpuid, $td->td_comm, $td->td_wchan
            set $icpu = $icpu + 1
        end
end

define psax
    set $proc = allproc->lh_first
    while $proc != 0
        printf "%p%6d%10s\n",$proc,$proc->p_pid,$proc->p_comm
        set $proc = $proc->p_list.le_next
    end
end

define _infotok
        set $token = ($arg0)
        set $tokref = $token->t_ref
        if ($tokref != 0)
                printf "%-15s %10d 0x%08x\n", $token->t_desc, \
                        $token->t_collisions, $tokref->tr_owner
        else
                printf "%-15s %10d not held\n", $token->t_desc, \
                        $token->t_collisions
        end
end

define infotok
        printf "\nToken           collisions owner\n"
        _infotok ($arg0)
end

define lstok
        printf "\nToken           collisions owner\n"
        _infotok &pmap_token
        _infotok &dev_token
        _infotok &vm_token
        _infotok &vmspace_token
        _infotok &kvm_token
        _infotok &proc_token
        _infotok &tty_token
        _infotok &vnode_token
        _infotok &vmobj_token
end

define dmesg
        set $bufp = msgbufp->msg_ptr
        set $size = msgbufp->msg_size
        set $rseq = msgbufp->msg_bufr % $size
        set $wseq = msgbufp->msg_bufx % $size
        if ( $bufp != 0 && $size != 0 && $rseq != $wseq )
                while ( $rseq < $wseq )
                        set $c = $bufp + $rseq
                        printf "%c", *$c
                        set $rseq = $rseq + 1
                        if ( $rseq == msgbufp->msg_size )
                                set $rseq = 0
                        end
                end
                if ( *$c == '\n' )
                        printf "\n"
                end
                printf "\n"
        end
end

# Documentation, usable within GDB using the 'help' command.
document lsvfs
Output list of loaded file systems, refcount, similar to the
lsvfs(1) utility.
end

document lsmount
Iterate the current list of mount structures loaded from the
memory core, there should be one per loaded VFS.
end

document lsvfsops
Display the VFS operations vector for each file system found in
the memory core, preceded by a summarised header.
end

document kldstat
Output list of loaded kernel modules in kldstat(1) style.
end

document pcomm
Print command name of the given thread pointer (first argument).
end

document psx
Output a list of processes with wait-channel (wchan) information.
end

document running_threads
List the threads which are currently running and their CPU number.
end

document psax
Output a list of processes.
end

document lstok
Display all known global tokens and some information about them.
end

document infotok
Takes one argument, a struct lwkt_token * (pointer) and prints some
information about that token.
end

document dmesg
Shows the unread portion of the kernel message buffer.
end