This adds a lsmod-like command to list all currently loaded modules of
the target.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
scripts/gdb/module.py | 43 +++++++++++++++++++++++++++++++++++++++++++
1 files changed, 43 insertions(+), 0 deletions(-)
diff --git a/scripts/gdb/module.py b/scripts/gdb/module.py
index 333729a..101d2e0 100644
--- a/scripts/gdb/module.py
+++ b/scripts/gdb/module.py
@@ -15,6 +15,7 @@ import gdb
import os
import string
+from percpu import *
from utils import *
module_type = CachedType("struct module")
@@ -104,3 +105,45 @@ class LxModvar(gdb.Function):
return var_addr.cast(var.type.pointer()).dereference()
LxModvar()
+
+
+class LinuxLsmod(gdb.Command):
+ __doc__ = "List currently loaded modules."
+
+ _module_use_type = CachedType("struct module_use")
+
+ def __init__(self):
+ super(LinuxLsmod, self).__init__("lx-lsmod", gdb.COMMAND_DATA)
+
+ def invoke(self, arg, from_tty):
+ def print_module(module, arg):
+ def collect_ref(cpu, arg):
+ refptr = per_cpu(arg['refptr'], cpu)
+ arg['ref'] += refptr['incs']
+ arg['ref'] -= refptr['decs']
+
+ arg = { 'refptr': module['refptr'], 'ref': 0 }
+ for_each_cpu("cpu_possible_mask", collect_ref, arg)
+
+ print "%s" % module['module_core'] + \
+ " %-19s" % module['name'].string() + \
+ " %8s" % module['core_size'] + \
+ " %d" % arg['ref'],
+
+ source_list = module['source_list']
+ t = self._module_use_type.get_type().pointer()
+ entry = source_list['next']
+ first = True
+ while entry != source_list.address:
+ use = container_of(entry, t, "source_list")
+ gdb.write((" " if first else ",") + \
+ use['source']['name'].string())
+ first = False
+ entry = entry['next']
+ print
+
+ print "Address%s Module Size Used by" % \
+ " " if get_long_type().sizeof == 8 else ""
+ for_each_module(print_module)
+
+LinuxLsmod()
--
1.7.3.4
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