Commit 5403727f authored by Jan Kiszka's avatar Jan Kiszka Committed by Linus Torvalds

scripts/gdb: add lx-lsmod command

This adds a lsmod-like command to list all currently loaded modules of the
target.
Signed-off-by: Jan Kiszka's avatarJan Kiszka <jan.kiszka@siemens.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Borislav Petkov <bp@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 3d4cd9c9
......@@ -13,7 +13,7 @@
import gdb
from linux import utils
from linux import cpus, utils
module_type = utils.CachedType("struct module")
......@@ -65,3 +65,47 @@ of the target and return that module variable which MODULE matches."""
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 ModuleList():
ref = 0
module_refptr = module['refptr']
for cpu in cpus.CpuList("cpu_possible_mask"):
refptr = cpus.per_cpu(module_refptr, cpu)
ref += refptr['incs']
ref -= refptr['decs']
gdb.write("{address} {name:<19} {size:>8} {ref}".format(
address=str(module['module_core']).split()[0],
name=module['name'].string(),
size=module['core_size'],
ref=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 = utils.container_of(entry, t, "source_list")
gdb.write("{separator}{name}".format(
separator=" " if first else ",",
name=use['source']['name'].string()))
first = False
entry = entry['next']
gdb.write("\n")
LxLsmod()
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