The patch titled
Subject: scripts/gdb: support !CONFIG_MODULES gracefully
has been added to the -mm tree. Its filename is
scripts-gdb-support-config_modules-gracefully.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/scripts-gdb-support-config_modules-gracefully.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/scripts-gdb-support-config_modules-gracefully.patch
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------------------------------------------------------
From: Kieran Bingham <kieran.bingham@xxxxxxxxxx>
Subject: scripts/gdb: support !CONFIG_MODULES gracefully
If CONFIG_MODULES is not enabled, lx-lsmod tries to find
a non-existent symbol and generates an unfriendly traceback:
(gdb) lx-lsmod
Address Module Size Used by
Traceback (most recent call last):
File "scripts/gdb/linux/modules.py", line 75, in invoke
for module in module_list():
File "scripts/gdb/linux/modules.py", line 24, in module_list
module_ptr_type = module_type.get_type().pointer()
File "scripts/gdb/linux/utils.py", line 28, in get_type
self._type = gdb.lookup_type(self._name)
gdb.error: No struct type named module.
Error occurred in Python command: No struct type named module.
Catch the error and return an empty module_list() for a clean command
output as follows:
(gdb) lx-lsmod
Address Module Size Used by
(gdb)
Link: http://lkml.kernel.org/r/94d533819437408b85ae5864f939dd7ca6fbfcd6.1462865983.git.jan.kiszka@xxxxxxxxxxx
Signed-off-by: Kieran Bingham <kieran.bingham@xxxxxxxxxx>
Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
scripts/gdb/linux/modules.py | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff -puN scripts/gdb/linux/modules.py~scripts-gdb-support-config_modules-gracefully scripts/gdb/linux/modules.py
--- a/scripts/gdb/linux/modules.py~scripts-gdb-support-config_modules-gracefully
+++ a/scripts/gdb/linux/modules.py
@@ -21,8 +21,11 @@ module_type = utils.CachedType("struct m
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()
- modules = gdb.parse_and_eval("modules")
for module in lists.list_for_each_entry(modules, module_ptr_type, "list"):
yield module
_
Patches currently in -mm which might be from kieran.bingham@xxxxxxxxxx are
scripts-gdb-provide-linux-constants.patch
scripts-gdb-provide-kernel-list-item-generators.patch
scripts-gdb-convert-modules-usage-to-lists-functions.patch
scripts-gdb-provide-exception-catching-parser.patch
scripts-gdb-support-config_modules-gracefully.patch
scripts-gdb-provide-a-dentry_name-vfs-path-helper.patch
scripts-gdb-add-io-resource-readers.patch
scripts-gdb-add-mount-point-list-command.patch
scripts-gdb-add-cpu-iterators.patch
scripts-gdb-add-a-radix-tree-parser.patch
scripts-gdb-add-documentation-example-for-radix-tree.patch
scripts-gdb-add-lx_thread_info_by_pid-helper.patch
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