#
# gdb helper commands and functions for Linux kernel debugging
#
#  module tools
#
# Copyright (c) Siemens AG, 2013
#
# Authors:
#  Jan Kiszka <jan.kiszka@siemens.com>
#
# This work is licensed under the terms of the GNU GPL version 2.
#

import gdb

from linux import cpus, utils, lists


module_type = utils.CachedType("struct module")


def module_list():
    global module_type
    modules = utils.gdb_eval_or_none("modules")
    if modules is None:
        return

    module_ptr_type = module_type.get_type().pointer()

    for module in lists.list_for_each_entry(modules, module_ptr_type, "list"):
        yield module


def find_module_by_name(name):
    for module in module_list():
        if module['name'].string() == name:
            return module
    return None


class LxModule(gdb.Function):
    """Find module by name and return the module variable.

$lx_module("MODULE"): Given the name MODULE, iterate over all loaded modules
of the target and return that module variable which MODULE matches."""

    def __init__(self):
        super(LxModule, self).__init__("lx_module")

    def invoke(self, mod_name):
        mod_name = mod_name.string()
        module = find_module_by_name(mod_name)
        if module:
            return module.dereference()
        else:
            raise gdb.GdbError("Unable to find MODULE " + mod_name)


LxModule()


class LxLsmod(gdb.Command):
    """List currently loaded modules."""

    _module_use_type = utils.CachedType("struct module_use")

    def __init__(self):
        super(LxLsmod, self).__init__("lx-lsmod", gdb.COMMAND_DATA)

    def invoke(self, arg, from_tty):
        gdb.write(
            "Address{0}    Module                  Size  Used by\n".format(
                "        " if utils.get_long_type().sizeof == 8 else ""))

        for module in module_list():
            layout = module['core_layout']
            gdb.write("{address} {name:<19} {size:>8}  {ref}".format(
                address=str(layout['base']).split()[0],
                name=module['name'].string(),
                size=str(layout['size']),
                ref=str(module['refcnt']['counter'] - 1)))

            t = self._module_use_type.get_type().pointer()
            first = True
            sources = module['source_list']
            for use in lists.list_for_each_entry(sources, t, "source_list"):
                gdb.write("{separator}{name}".format(
                    separator=" " if first else ",",
                    name=use['source']['name'].string()))
                first = False

            gdb.write("\n")


LxLsmod()
m>
</td></tr></table>
<div class='path'>path: <a href='/cgit/git.armlinux.org.uk/linux-net-next.git/commit/?id=7458bd540fa0a90220b9e8c349d910d9dde9caf8'>root</a>/<a href='/cgit/git.armlinux.org.uk/linux-net-next.git/commit/drivers?id=7458bd540fa0a90220b9e8c349d910d9dde9caf8'>drivers</a>/<a href='/cgit/git.armlinux.org.uk/linux-net-next.git/commit/drivers/net?id=7458bd540fa0a90220b9e8c349d910d9dde9caf8'>net</a>/<a href='/cgit/git.armlinux.org.uk/linux-net-next.git/commit/drivers/net/dsa?id=7458bd540fa0a90220b9e8c349d910d9dde9caf8'>dsa</a>/<a href='/cgit/git.armlinux.org.uk/linux-net-next.git/commit/drivers/net/dsa/mv88e6xxx?id=7458bd540fa0a90220b9e8c349d910d9dde9caf8'>mv88e6xxx</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='7458bd540fa0a90220b9e8c349d910d9dde9caf8'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Florian Fainelli &lt;f.fainelli@gmail.com&gt;</td><td class='right'>2020-02-14 16:32:29 -0800</td></tr>
<tr><th>committer</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2020-02-16 19:27:51 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='sha1'><a href='/cgit/git.armlinux.org.uk/linux-net-next.git/commit/drivers/net/dsa/mv88e6xxx?id=7458bd540fa0a90220b9e8c349d910d9dde9caf8'>7458bd540fa0a90220b9e8c349d910d9dde9caf8</a> (<a href='/cgit/git.armlinux.org.uk/linux-net-next.git/patch/drivers/net/dsa/mv88e6xxx?id=7458bd540fa0a90220b9e8c349d910d9dde9caf8'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='sha1'><a href='/cgit/git.armlinux.org.uk/linux-net-next.git/tree/?id=7458bd540fa0a90220b9e8c349d910d9dde9caf8'>a6ac7a6281ab2234ca33f34655f9b1dd91cc59b0</a> /<a href='/cgit/git.armlinux.org.uk/linux-net-next.git/tree/drivers/net/dsa/mv88e6xxx?id=7458bd540fa0a90220b9e8c349d910d9dde9caf8'>drivers/net/dsa/mv88e6xxx</a></td></tr>
<tr><th>parent</th><td colspan='2' class='sha1'><a href='/cgit/git.armlinux.org.uk/linux-net-next.git/commit/drivers/net/dsa/mv88e6xxx?id=33946518d493cdf10aedb4a483f1aa41948a3dab'>33946518d493cdf10aedb4a483f1aa41948a3dab</a> (<a href='/cgit/git.armlinux.org.uk/linux-net-next.git/diff/drivers/net/dsa/mv88e6xxx?id=7458bd540fa0a90220b9e8c349d910d9dde9caf8&amp;id2=33946518d493cdf10aedb4a483f1aa41948a3dab'>diff</a>)</td></tr></table>
<div class='commit-subject'>net: dsa: bcm_sf2: Also configure Port 5 for 2Gb/sec on 7278</div><div class='commit-msg'>Either port 5 or port 8 can be used on a 7278 device, make sure that
port 5 also gets configured properly for 2Gb/sec in that case.

Signed-off-by: Florian Fainelli &lt;f.fainelli@gmail.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</div><div class='diffstat-header'><a href='/cgit/git.armlinux.org.uk/linux-net-next.git/diff/?id=7458bd540fa0a90220b9e8c349d910d9dde9caf8'>Diffstat</a> (limited to 'drivers/net/dsa/mv88e6xxx')</div><table summary='diffstat' class='diffstat'>