#
# 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()
le='2025-10-13 21:50:40 -0400'>2025-10-13</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=c065b6046b3493a878c2ceb810aed845431badb4'>Use CONFIG_EXT4_FS instead of CONFIG_EXT3_FS in all of the defconfigs</a></td><td>Theodore Ts'o</td></tr>
<tr><td><span title='2025-09-01 15:25:41 +0200'>2025-09-01</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=ae6f637a456c1de75a582afa9cb6169813e89b83'>ARM: s3c6400_defconfig: Drop MTD_NAND_S3C2410</a></td><td>Krzysztof Kozlowski</td></tr>
<tr><td><span title='2024-01-11 09:34:43 +0100'>2024-01-11</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=984893f80e0fdba779e1e5f90ff5b2ef84b6009d'>ARM: defconfig: remove sysfs-deprecated entries</a></td><td>Arnd Bergmann</td></tr>
<tr><td><span title='2022-08-29 10:38:22 +0200'>2022-08-29</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=e92ab51026ae1616697c21bb86c2b821856c0ea3'>ARM: defconfig: reorder defconfig files</a></td><td>Arnd Bergmann</td></tr>
<tr><td><span title='2022-07-22 14:18:52 +0200'>2022-07-22</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=d75595e0962acf5e06cf6a04638bc8d31ed4b3b1'>ARM: s3c: mark most board files as unused</a></td><td>Arnd Bergmann</td></tr>
<tr><td><span title='2022-07-22 12:34:00 +0200'>2022-07-22</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=ddd366bf01de51576d34be6a8652a3fec248f427'>ARM: defconfig: address renamed CONFIG_DEBUG_INFO=y</a></td><td>Arnd Bergmann</td></tr>
<tr><td><span title='2022-07-22 12:33:30 +0200'>2022-07-22</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=2002f3968714e5426fa97399b24fac3db66a7f06'>ARM: refresh defconfig files</a></td><td>Arnd Bergmann</td></tr>
<tr><td><span title='2019-06-26 19:27:25 -0700'>2019-06-26</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=a151f27537250cf869c8d1c2549ccbb77dcbec2f'>Merge tag 'samsung-defconfig-5.3' of https://git.kernel.org/pub/scm/linux/ker...</a></td><td>Olof Johansson</td></tr>
<tr><td><span title='2019-06-19 07:09:39 -0700'>2019-06-19</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=6c48edcc955a4a5d0098fa5727260e75359fcbc4'>ARM: configs: Remove useless UEVENT_HELPER_PATH</a></td><td>Krzysztof Kozlowski</td></tr>
<tr><td><span title='2019-06-19 07:02:07 -0700'>2019-06-19</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=39bda3158e352737501e11983ad5076480db84a6'>ARM: config: Remove left-over BACKLIGHT_LCD_SUPPORT</a></td><td>Krzysztof Kozlowski</td></tr>
<tr><td><span title='2019-06-13 22:04:33 +0200'>2019-06-13</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=5a96019ce5cd7a7eaaeffc47e07834e4124bafc6'>ARM: defconfig: samsung: Cleanup with savedefconfig</a></td><td>Krzysztof Kozlowski</td></tr>
<tr><td><span title='2019-04-18 08:54:00 +0200'>2019-04-18</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=72c5af00272339af6bbed6fe7275cd731f57be2d'>mtd: rawnand: Clarify Kconfig entry MTD_NAND</a></td><td>Miquel Raynal</td></tr>
<tr><td><span title='2017-06-10 19:30:18 +0200'>2017-06-10</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=c2a3f4cca563a845fdc030f9f84f413fd8610684'>ARM: s3c6400_defconfig: Save defconfig</a></td><td>Krzysztof Kozlowski</td></tr>
<tr><td><span title='2017-06-10 19:30:04 +0200'>2017-06-10</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=61d26c612d07c75bef9d737d8da890243671ee2b'>ARM: s3c6400_defconfig: Bring back lost (but wanted) options</a></td><td>Krzysztof Kozlowski</td></tr>
<tr><td><span title='2017-06-10 19:29:53 +0200'>2017-06-10</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=2a7ae1c04983e5e1fd25baacce25562931893852'>ARM: defconfig: samsung: Re-order entries to match savedefconfig</a></td><td>Krzysztof Kozlowski</td></tr>
<tr><td><span title='2017-06-10 19:28:57 +0200'>2017-06-10</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=bd5f62605f48fe32b66ebf9071b1155bad33670d'>ARM: defconfig: Cleanup from old Kconfig options</a></td><td>Krzysztof Kozlowski</td></tr>
<tr><td><span title='2015-12-01 21:50:26 +0100'>2015-12-01</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=af37eec0653128e991d20b8c1fc763ed1cde96c7'>ARM: s3c64xx: multiplatform support</a></td><td>Arnd Bergmann</td></tr>
<tr><td><span title='2014-05-27 16:07:13 -0700'>2014-05-27</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=3a0d89d3f80df15fee3802e030d51f1848269a01'>USB: delete CONFIG_USB_DEVICEFS from defconfig</a></td><td>Naoki MATSUMOTO</td></tr>
<tr><td><span title='2012-08-11 13:31:49 +0900'>2012-08-11</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=8bede156f6f007ccbc25d336bfb183adaa84f1d9'>ARM: s3c6400_defconfig: enable more boards in defconfig</a></td><td>Kukjin Kim</td></tr>
<tr><td><span title='2010-06-10 07:12:18 +0200'>2010-06-10</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=07a8c03f3e06129e847acd068b8b89c13357ee64'>ARM: reduce defconfigs</a></td><td>Uwe Kleine-König</td></tr>
<tr><td><span title='2010-05-28 19:33:04 +0900'>2010-05-28</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=856066c307958352b5fe10ee65e360b3a795d8f5'>ARM: s3c6400_defconfig: Add framebuffer and basic LCD</a></td><td>Ben Dooks</td></tr>
<tr><td><span title='2010-05-28 19:33:03 +0900'>2010-05-28</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=ad2cf090e2e00530379ebe114bffce19f618b11c'>ARM: s3c6400_defconfig: Add RTC driver support</a></td><td>Ben Dooks</td></tr>
<tr><td><span title='2010-05-28 19:33:02 +0900'>2010-05-28</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=8a776fb92498ecf3d9c5a09d2edb2389cd7f31e0'>ARM: s3c6400_defconfig: Enable USB host side</a></td><td>Ben Dooks</td></tr>
<tr><td><span title='2010-05-28 19:33:01 +0900'>2010-05-28</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=56a5cbaf2aabda22991c136bfdf706e97859cc42'>ARM: s3c6400_defconfig: Add SPI driver</a></td><td>Ben Dooks</td></tr>
<tr><td><span title='2010-05-28 19:33:00 +0900'>2010-05-28</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=e56210caeb391a117aef4f109e012d58a56cab2a'>ARM: s3c6400_defconfig: Update compiled machines</a></td><td>Ben Dooks</td></tr>
<tr><td><span title='2010-05-26 19:04:31 +0900'>2010-05-26</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=4678ffa5023c74d8ccd4c93ed2327af4cc1ef9c7'>ARM: s3c6400_defconfig: Update s3c6400_defconfig to v2.6.34-git</a></td><td>Ben Dooks</td></tr>
<tr><td><span title='2010-05-23 16:27:13 +0100'>2010-05-23</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=d01cd639c96cd683a22432afd4c39ea690c87f16'>ARM: s3c6400_defconfig: Add NAND driver</a></td><td>Ben Dooks</td></tr>
<tr><td><span title='2010-05-23 16:27:12 +0100'>2010-05-23</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=443aa17ed8366e98e5473875d8a0ea1eeeb766ed'>ARM: s3c6400_defconfig: enable sound as modules</a></td><td>Ben Dooks</td></tr>
<tr><td><span title='2010-05-23 16:27:11 +0100'>2010-05-23</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=13aa16b9ccf4ff5eff3886df3cb0a071dbc73cfc'>ARM: s3c6400_defconfig: enable power management</a></td><td>Ben Dooks</td></tr>
<tr><td><span title='2010-05-23 16:27:07 +0100'>2010-05-23</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=77f0cfc6e17431eec05f6aeb19051d715c558c63'>ARM: s3c6400_defconfig: Update s3c6400_defconfig to v2.6.34</a></td><td>Ben Dooks</td></tr>
<tr><td><span title='2010-01-21 15:37:15 +0900'>2010-01-21</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=1725c679a08902ce04419b274d22254155ce707c'>ARM: S3C64XX: Update s3c6400_defconfig for current kernel</a></td><td>Ben Dooks</td></tr>
<tr><td><span title='2010-01-21 15:36:40 +0900'>2010-01-21</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=3a3b585aa4ecad21ae91cfa9e5f387d64a15a312'>ARM: S3C6400: Update s3c6400_defconfig for bigger initrds for SMDK6410</a></td><td>Ben Dooks</td></tr>
<tr><td><span title='2009-12-18 16:07:53 +0000'>2009-12-18</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=4da8b8208eded0ba21e3ed7cee79e7454b2b973d'>ARM: Kill CONFIG_CPU_32</a></td><td>Russell King</td></tr>
<tr><td><span title='2009-06-23 12:24:07 +0100'>2009-06-23</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=a18327f35a879a6467c3e901da7f68944b191732'>[ARM] S3C: Remove unused CONFIG_DEBUG_S3C_PORT</a></td><td>Ben Dooks</td></tr>
<tr><td><span title='2009-01-26 21:19:57 +0100'>2009-01-26</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=dd7f8dbe2b3c0611ba969cd867c10cb63d163e25'>eeprom: More consistent symbol names</a></td><td>Jean Delvare</td></tr>
<tr><td><span title='2008-12-15 23:53:51 +0000'>2008-12-15</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=c33e14c724406d987111ee73f1c5335a1f450473'>[ARM] s3c6400_defconfig: Add SDHCI driver</a></td><td>Ben Dooks</td></tr>
<tr><td><span title='2008-12-15 23:53:23 +0000'>2008-12-15</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=6c874d6fa851191bd8b9c0fce39a2d3c1ee06f96'>[ARM] s3c6400_defconfig: Add I2C driver and devices</a></td><td>Ben Dooks</td></tr>
<tr><td><span title='2008-12-15 23:17:55 +0000'>2008-12-15</span></td><td><a href='/cgit/linux.git/commit/arch/arm/configs/s3c6400_defconfig?id=92117a1fd3b7916e8882c6050a2f51f812209fcc'>[ARM] S3C64XX: Add s3c6400_defconfig</a></td><td>Ben Dooks</td></tr>